This standard specifies the quality requirements and inspection methods for paper, plate making, printing, binding, etc. for primary and secondary school textbooks, including the quality sampling inspection methods for finished batches and the requirements for packaging, transportation, and storage. This standard applies to various textbooks used in ordinary primary and secondary schools. Primary and secondary school teaching auxiliary books and other types of textbooks can refer to this standard. GB/T 18359-2009 Quality requirements and inspection methods for paper and printing of primary and secondary school textbooks GB/T18359-2009 Standard download decompression password: www.bzxz.net
This standard specifies the quality requirements and inspection methods for paper, plate making, printing, binding, etc. for primary and secondary school textbooks, including the quality sampling inspection methods for finished batches and the requirements for packaging, transportation, and storage. This standard applies to various textbooks used in ordinary primary and secondary schools. Primary and secondary school teaching auxiliary books and other types of textbooks can refer to this standard.
This standard replaces GB/T18359-2001 "Paper for primary and secondary school textbooks, printing quality standards and test methods".
Compared with GB/T18359-2001, this standard has the following major changes:
--- The standard format has been modified in accordance with the requirements of GB/T1.1-2000.
--- The name of the standard has been modified, and the standard in the original standard name has been changed to requirement.
--- The classification and use of paper have been re-stated, and the paper types of coated art printing paper and color offset printing paper have been added, and the technical requirements for paper in the original standard have been modified.
--- The quantitative technical requirements and test methods for water absorption of paper have been added, replacing the quantitative technical requirements and test methods for sizing degree in the original standard.
--- The technical requirements and test methods for plate making have been added.
--- The quantitative technical requirements and test methods for lamination quality have been added.
---Add quantitative technical requirements and test methods for adhesive strength of books and periodicals bound by glue.
---Add batch sampling methods for finished textbooks.
This standard is proposed by the General Administration of Press and Publication.
This standard is under the jurisdiction of the National Technical Committee for Printing Standardization.
The drafting units of this standard: People's Education Press, China Pulp and Paper Research Institute, UPM (Changshu) Paper Co., Ltd., Henan Yinge Industrial Investment Co., Ltd., Anhui Xinhua Printing Co., Ltd., Henan First Xinhua Printing Factory.
Drafters of this standard: Sha Xiaoqing, Chen Xi, Cai Jingsheng, Guo Xu, Xie Zhiqiang, Xing Hongquan, Yuan Xiaoyu, Han Sixi, Huang Zhijun, Xu Hanbin.
This standard was first issued in 2001 and this is the first revision.
The clauses in the following documents become the clauses of this standard through reference in this standard. For all referenced documents with dates, all subsequent amendments (excluding errata) or revisions are not applicable to this standard. However, parties that reach an agreement based on this standard are encouraged to study whether the latest versions of these documents can be used. For all referenced documents without dates, the latest versions are applicable to this standard.
GB/T450 Paper and paperboard test specimens and the determination of the longitudinal and transverse directions and the front and back sides of the specimens (GB/T450-2008, ISO186:2002, MOD)
GB/T451.1 Determination of size and skewness of paper and paperboard
GB/T451.2 Determination of basis weight of paper and paperboard (GB/T451.2-2002, eqvISO536:1995)
GB/T456 Determination of smoothness of paper and paperboard (Buick method) (GB/T456-2002, idtISO5627:1995)
GB/T457 Determination of folding endurance of paper and paperboard (GB/T457-2008, ISO5626:1993, MOD)
GB/T459 Determination of elasticity of paper and paperboard (GB/T459-2002, eqvISO5635:1978)
GB/T462 Determination of moisture content of analytical samples of paper, paperboard and pulp (GB/T462-2008, ISO287:1985, ISO638:1978, MOD)
GB/T1540 Determination of water absorption of paper and paperboard (Cobber method) (GB/T1540-2002, neqISO535:1991)
GB/T1541 Determination of dustiness of paper and paperboard
GB/T1543 Determination of opacity of paper and paperboard (paper backing) (diffuse reflection method) (GB/T1543-2005, ISO2471:1998, MOD)
GB/T1545 Paper, paperboard and pulp - Determination of acidity or alkalinity of aqueous extracts (GB/T1545-2008, ISO6588:1981, MOD)
GB/T7974 Paper, paperboard and pulp - Determination of brightness (whiteness) - Diffuse/vertical method (GB/T7974-2002, neqISO2470:1999)
GB/T10335.1 Coated paper and paperboard - Coated art printing paper (coated paper)
GB/T10739 Standard atmospheric conditions for handling and testing of paper, paperboard and pulp samples (GB/T10739-2002, eqvISO187:1990)
GB/T12911 Determination of ink absorbency of paper and paperboard
GB/T12914-2008 Paper and paperboard - Determination of tensile strength (ISO1924-1:1992, ISO1924-2:1994, MOD)
GB/T22363 Paper and paperboard - Determination of roughness (air leakage method) - Bendtsen method and printed surface method (GB/T22363-2008, ISO8791-2:1990, ISO8791-4:1992, MOD)
GB/T22365-2008 Paper and paperboard - Determination of printed surface strength (ISO3783:1980, MOD)
CY/T5 Quality requirements and test methods for lithographic printed products
Foreword III
1 Scope 1
2 Normative references 1
3 Technical requirements 2
4 Method for random inspection of finished product batch quality 6
5 Inspection method 6
6 Packaging, transportation and storage 8

ICS37.100.01
National Standard of the People's Republic of China
GB/T18359—2009
Replaces GB/T18359—2001
General requirements and test methods of paper and printing qualities for primary and secondary school textbooks textbooks2009-07-16 Issued
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China China National Standardization Administration
2009-12-01 Implementation
Normative references
Technical requirements
...........
Quality sampling method for finished batches
Inspection method
Packaging, transportation and storage
GB/T18359-2009
GB/T18359-2009
This standard replaces GB/T18359-2001 "Paper, printing quality standards and inspection methods for primary and secondary school textbooks". Compared with GB/T18359-2001, this standard has the following major changes: The standard format has been modified in accordance with the requirements of GB/T1.1-2000 The name of the standard has been modified, and the "standard" in the original standard name has been changed to "requirement". The classification and use of paper are re-stated, and the types of paper for coated art printing paper and color offset printing paper are added, and the technical requirements for paper in the original standard are modified.
-Add the quantitative technical requirements and test methods for water absorption of paper, replacing the quantitative technical requirements and test methods for sizing degree in the original standard.
Add the technical requirements and test methods for plate making. Add the quantitative technical requirements and test methods for lamination quality. Add the quantitative technical requirements and test methods for the bonding strength of glued books and periodicals. Add the batch sampling method for finished textbooks. This standard is proposed by the General Administration of Press and Publication.
This standard is under the jurisdiction of the National Technical Committee for Printing Standardization. The drafting units of this standard are: People's Education Press, China Pulp and Paper Research Institute, UPM (Changshu) Paper Co., Ltd., Henan Yinge Industrial Investment Co., Ltd., Anhui Xinhua Printing Co., Ltd., and Henan First Xinhua Printing Factory. Drafters of this standard: Sha Xiaoqing, Chen Xi, Cai Jingsheng, Guo Xu, Xie Zhiqiang, Xing Hongquan, Yuan Xiaoyu, Han Sixi, Huang Zhijun, Xu Hanbin. This standard was first issued in 2001 and this is the first revision. 1 Scope
Quality requirements and inspection methods for paper, printing and printing of primary and secondary school textbooks
GB/T18359—2009
This standard specifies the quality requirements and inspection methods for paper, plate making, printing, binding, etc. of primary and secondary school textbooks, including the quality sampling method of finished product batches and the requirements for packaging, transportation and storage. This standard applies to various textbooks used in ordinary primary and secondary schools. Primary and secondary school teaching auxiliary books and other types of textbooks can refer to this standard.
2 Normative references
The clauses in the following documents become the clauses of this standard through reference in this standard. For any dated referenced document, all subsequent amendments (excluding errors) or revisions are not applicable to this standard. However, parties that reach an agreement based on this standard are encouraged to study whether the latest versions of these documents can be used. For any undated referenced document, the latest version is applicable to this standard. Sample collection and measurement of the longitudinal and transverse directions and the front and back sides of the sample (GB/T450—2008, ISO186: GB/T450
Paper and paperboardbZxz.net
2002, MOD)
GB/T 451.1
GB/T 451.2
GB/T456
GB/T457
GB/T459
GB/T462
1978, MOD)
GB/T 1540
GB/T1541
GB/T1543
1998, MOD)
GB/T1545
GB/T 7974
Determination of size and skewness of paper and paperboard
Determination of the basis weight of paper and paperboard (GB/T451.2-2002, eqvISO536:1995)Determination of the smoothness of paper and paperboard (Bick method) (GB/T456-2002, idtISO5627:1995)Determination of the folding endurance of paper and paperboard (GB/T457-2008, ISO5626:1993, MOD)Determination of the elasticity of paper and paperboard (GB/T459-2002, eqvISO5635:1978)Determination of the moisture content of analytical samples (GB/T462-2008, ISO287:1 985, ISO638; Paper, paperboard and pulp
Determination of water absorption of paper and paperboard (Cobber method) (GB/T1540-2002, neqISO535:1991) Determination of dustiness of paper and paperboard
Determination of opacity (paper backing) (diffuse reflection method) (GB/T1543-2005, ISO2471: Paper, paperboard and pulp
Determination of acidity or alkalinity of aqueous extract (GB/T1545-2008, ISO6588:1981, Determination of brightness (whiteness) of paper, paperboard and pulp GB/T10335.1
GB/T 10739
GB/T12911
Diffuse/vertical method (GB/T7974-2002, neqISO2470; Coated paper and paperboard
Coated art printing paper (coated paper)
Standard atmospheric conditions for handling and testing of paper, paperboard and pulp samples (GB/T10739-2002, eqvISO187: Determination of ink absorption of paper and paperboard
GB/T12914-2008
Determination of tensile strength of paper and paperboard (ISO19 24-1:1992,ISO1924-2:1994,MOD)GB/T22363
Determination of roughness of paper and paperboard (air leakage method)Bendtsen method and printed surface method (GB/T223632008.ISO8791-2:1990.ISO8791-4:1992.MOD)GB/T22365—2008
Determination of printed surface strength of paper and paperboard (ISO3783:1980,MOD)CY/T5Quality requirements and inspection methods for lithographic printing1| |tt||GB/T18359—2009
CY/T30
CY/T40
Offset printing plate production (CY/T30—1999, eqvISO12218:1997) Requirements and test methods for EVA hot melt adhesive for book binding Process control and test methods for laminating paper printed products QB/T1012
QB/T1211
QB/T2358
QB/T2693
Technical requirements
Paper requirements
Offset printing paper
Offset book and periodical paper
Plastic film packaging bag
Color offset printing paper
Part 1: Basic requirements
Test method for heat seal strength
The main body of primary and secondary school textbooks should use the color offset printing paper specified in QB/T2693, the offset printing paper 3.1.1 specified in QB/T1012
or the offset book and periodical paper specified in QB/T1211, and the cover should use the color offset printing paper of 120g/m2 or above or GB/T10335.1. Color inserts should use 90g/m2 or more color offset printing paper, offset printing paper or coated art printing paper. The color text of art textbooks should use coated art printing paper.
The technical indicators of paper should meet the requirements of Table 1. Table 1
Indicator name
Quantitative deviation
Thickness deviation
Brightness (whiteness)
Opacity
Smoothness
Average of front and back
Difference of front and back
Printing surface roughness
Ink absorption
Roll paper (vertical)
Flat paper (average of vertical and horizontal)
Water absorption
Stretchability (horizontal)
Paper technical requirements
N·m/g
N·m/g
Offset book paper
Offset printing paper
72.0~80.0
75.0~85.0
20.0~40. 0
Color offset
Drama paper
80.0~90.0
Coated art printing paper
85.0~90.0
Dust degree
Indicator name
Folding endurance (horizontal)
≥0. 2mm2~0.5mm
Dust is not more than
>0,5 mm2~1.5 Dust of mm
No more than
Dust>1.5mm
Printing surface strength
(Medium viscosity roughening oil, both on front and back)
Delivery moisture
Table 1 (continued)
Offset book paper
Should not have
Offset drama paper
Should not have
GB/T18359—2009
Color offset
Drama paper
Should not have
Coated art printing paper
Should not have
The width deviation of web paper should not exceed ±3mm, and the web diameter is 800mm±50mm; the size deviation of full-sheet flat paper should not exceed ±3mm, and the skewness should not exceed 3mm. 3.1.4
Each roll of roll paper shall have no more than 2 joints, and the outer packaging and joints shall be clearly marked. The brightness (whiteness) difference of the same batch of paper shall not exceed 3.0%. The paper shall not have print-through and obvious hair loss or powder loss during the printing process. The paper shall be flat, the fiber structure shall be uniform, the color shall be consistent, and there shall be no obvious difference between each batch of paper. The paper surface shall not have any appearance paper defects that affect printing, such as sand, hard blocks, wrinkles, various streaks, spots, light spots, cracks, holes, etc. There shall be no paper scraps, residual sheets, damage, folded corners, etc. According to the test methods of 5.1.17 and 5.1.18, the total mass of the sample with paper defects shall not exceed 1% of the total mass of the sample.
Requirements for color separation films
Color separation films should meet the following requirements:
Solid density ≥3.50;
Film base fog density ≤0.15;
Diagonal registration error ≤0.01%;
Screen count (dot frequency): 40cm-1~48cm-1 for monochrome images, 48cm-1~70cm-1 for color images; Note: cm-\ means line/cm,
The tone value error of film linearization is ≤絲2%; There should be no cracks in text and dots;
The layout should be clean, without dirt, scratches or creases. Requirements for plate production
The reduction in the gradation value when 50% of the gradation value on the measuring and controlling strip is transferred to the printing plate is shown in Table 2.2 The reduction in the gradation value when 50% of the gradation value on the measuring and controlling strip is transferred to the printing plate Table 2
Screen count/cm
Note 1: The reduction in the gradation value is proportional to the screen count within this range. Note 2: The above data corresponds to the reduction in the gradation value of the 50% control block of the positive PS plate/%
4. 5~6. 0
GB/T18359—2009
Independent, opaque dots with a diameter greater than 25um on the measuring and controlling strip should be transferred to the offset printing plate in an unchanged shape. Printing requirements
Monochrome printing shall meet the following requirements:
The printing ink color is uniform, and the measured solid density of the printed page fold label is 0.91.3; the text is clear, without ghosting, missing pens, broken strokes, blurred characters, missing characters, etc.; the text in the figure is clear;
The lines and tables are clear, without obvious blur; the page has no obvious wrinkles, folds, or dirt; the front and back overprint tolerance is ≤2.0mm.
Color printing shall meet the following requirements:
The measured solid density of the printing shall meet the requirements of Table 3. Table 3
Measured values ​​of solid density of printing
Paper type
Coated art printing paper
Yellow (Y)
Magenta (M)
Cyan (C)
Black (K)
0.85~1.20
1.25~1.60
1.30~1.65
1.40~1.80
Note 1: The measured values ​​in the table are the density values ​​under ISO standard T state. Note 2: The above density values ​​are absolute density values. b)
The bright tone value shall be at least 3% (60cm-1), the dots can be reproduced, the text shall be clear, without ghosting, missing strokes, broken lines, blurred characters, missing characters, etc., color offset printing paper/offset printing paper
0.80~1.05
1.10~1.40
1.10~1.40
1.00~1.50
The image shall have distinct layers, the dots shall be clear, and the printing relative contrast value K shall meet the requirements of Table 4. Table 4
Relative contrast K value of printing
Paper type
Xubu Art Printing Paper
Yellow (Y)
Magenta (M)
Cyan (C)
Black (K)
K=（D*ground-Ds5% dots）/Dground
Where Dground represents the solid density; D:s% dots represent the density of 75% dots. e)
Registration error ≤0.20mm.
Color offset printing paper/offset printing paper
The color meets the printing sample, and the allowable error of the solid density of the same batch of products with the same color printing shall meet the requirements of Table 5. 3.5
Yellow (Y)
Magenta (M)
Cyan (C)
Black (K)
Permissible error in solid density of the same color printed on the same batch of products Paper type
Coated art printing paper
The layout is clean, the image is complete, and the pages have no obvious wrinkles, creases, or dirt. Binding requirements
Folding and arranging
Books folded in three or more places should be notched to remove air; Books should be flat and neat, without obvious wrinkles, folded corners, torn pages, overlapping, shrinking and dirty marks; GB/T18359—2009
Color offset printing paper/offset printing paper
Based on the center point of the page number, the allowable error of the page number position between two consecutive pages is ≤4.0mm, the allowable error of the page number position of the whole book is ≤7.0mm, and the allowable error of the screen connection is ≤1.5mm; the page number and layout sequence are correct, without wrong pages. Cover lamination and glazing
The lamination bonding strength shall be ≥2.67N/cm, or when the film is peeled off from the printed matter, all inks on the graphics shall be fully or partially transferred to the adhesive surface of the film;
The edge size of the split after lamination is accurate, and the nominal size tolerance is ±1mm; the color difference before and after lamination shall meet the requirements of Table 6: Table 6
Film type
Glossy film
Matte film
Black (B)
Color difference requirements of four-color solid ink of laminating products Magenta (M)
Cyan (C)
The surface is clean, flat, not blurred, without dirt, obvious curling, wrinkles, tears, film peeling, bubbles, film loss, and scratches; the cover is evenly glazed without scratches or dirt. Glue binding
Book core binding
The adhesive should meet the requirements of CY/T40,
Yellow (Y)
The milling depth of the back is based on the milling through of the signature to ensure that the adhesive can penetrate the innermost page of the signature, and there will be no loose pages, loose pages, or broken backs. The skewness of the milling back (top to bottom) is ≤1.0mm. The thickness of the glue is ≤1.5mm
The bonding strength requirements of glue binding books and periodicals: After the book is glued into a book, the bonding strength between the glue layer and the book pages is ≥4.5N/cm. The side glue selection of the cover
The side glue should meet the requirements of CY/T40; the width of the side glue is 3.0mm~7.0mm, no defects such as weak side glue bonding or lack of glue, overflowing glue, and sticking of pictures and texts; the cover should be pasted correctly and smoothly;
The book back after shaping should be straight, without obvious defects such as empty back, wrinkles, and glue hanging. Saddle binding
The order of posting is correct.
GB/T18359—2009
The binding position is 1/4 of the upper and lower length of the book core from the outer binding eye of the nail saw, and the allowable error is 3.0mm. The nail saw is all on the fold line, with an allowable error of 1.0mm.
No broken nails, missed binding, or re-binding, the book is flat, and the nail feet are flat and firm. Finished product quality
The appearance quality of finished textbooks shall meet the requirements of Table 7: Table 7
Indicator name
Finished product cutting size error
Finished product skew
Error between cover edge and front edge of book block
Error of translation and re-skew of back words
Overall appearance
Quality sampling method for finished product batch
Quality requirements for finished product appearance
Tolerance value, range or description
≤±1.5m m
Book thickness ≤10mm: tolerance ≤1mm
10mm<Book thickness ≤20mm: tolerance ≤2mm
20mm<Book thickness ≤30mm: tolerance ≤2.5mmBook thickness>30mm tolerance ≤3mm
No obvious knife marks, acid heads, no burrs
Neat and flat, no indentations, dirt, small pagesThe quality inspection of finished batches of textbooks adopts a single sampling plan, and the sampling plan sample size and qualified judgment indicators are implemented according to Table 8. When the number of unqualified samples in the sampling is greater than the qualified judgment number, the inspection result is that the batch quality is unqualified. Table 8
Single sampling and judgment plan (inspection level is S-3, AQL value is 6.5)Batch
Sample size
Number of qualified judgments
Inspection method
Paper quality inspection
151~500
501~3200
3201~35000
35 001~500 000
The collection and processing of paper samples shall be carried out in accordance with the provisions of GB/T450 and GB/T10739. The size and deviation inspection of paper shall be carried out in accordance with the provisions of GB/T451.1. The quantitative inspection of paper shall be carried out in accordance with the provisions of GB/T451.2. The brightness (whiteness) inspection of paper shall be carried out in accordance with the provisions of GB/T7974. The opacity inspection of paper shall be carried out in accordance with the provisions of GB/T1543. The smoothness test of paper shall be carried out in accordance with the provisions of GB/T456. Unit: volume
>500 000
The roughness test of printing surface shall be carried out in accordance with the provisions of GB/T22363. The clamping pressure is 980kPa. Color offset paper shall use a soft pad, and coated art printing paper shall use a hard pad. 5.1.8
The ink absorption test of paper shall be carried out in accordance with the provisions of GB/T12911, and the tensile index test of paper shall be carried out in accordance with the provisions of GB/T12914-2008. If there is any dispute, the constant speed stretching method shall be used for arbitration. The water absorption test of paper shall be carried out in accordance with the provisions of GB/T1540. The expansion and contraction rate test of paper shall be carried out in accordance with the provisions of GB/T459. 2 The folding endurance test of paper shall be carried out in accordance with the provisions of GB/T457. 5.1.12
The dustiness test of paper shall be carried out in accordance with the provisions of GB/T1541 GB/T18359-2009
The printing surface strength of paper shall be carried out in accordance with the provisions of GB/T22365-2008, and domestic medium-viscosity roughening oil shall be used. If there is any dispute, the electric acceleration method shall be used for arbitration.
The pH test of paper shall be carried out in accordance with the provisions of GB/T1545. The moisture test of paper shall be carried out in accordance with the provisions of GB/T462. Determination of paper defects inside roll paper: Take the outer 10 layers of roll paper, remove the outermost 5 layers, and the remaining 5 layers are samples. Cut it into 0.05m2 samples, select and weigh the samples with paper defects, and calculate the mass percentage of the samples with paper defects in the total samples. 5.1.18
Determination of paper defects on flat paper: 10 sheets of paper are randomly selected from each batch as samples, cut into samples of 0.05m2, samples with paper defects are selected and weighed, and the mass percentage of samples with paper defects in the total samples is calculated. 5.2 Method for testing the quality of color separation sheets
The method is carried out in accordance with the provisions of CY/T30.
Method for testing the quality of printing plate production
The method is carried out in accordance with the provisions of CY/T30.
5.4 Method for testing the quality of printing
The method is carried out in accordance with the provisions of CY/T5.
5.5 Method for testing the quality of binding
5.5.1 Method for testing folding and collating
Items a), b) and d) in 3.5.1 are visually inspected manually, and item c) is inspected using a standard ruler with an accuracy of 0.1mm. 5.5.2 The quality inspection method of cover lamination and glazing shall be carried out in accordance with the method specified in CY42.
5.5.3 Inspection method of adhesive binding
5.5.3.1 Inspection method of book core binding
5.5.3.1.1 Adhesive inspection shall be carried out in accordance with the requirements of CY/T40. 5.5.3.1.2 The milling back depth inspection shall be checked by manual visual inspection, and the milling back skewness and glue thickness shall be inspected by a standard ruler with an accuracy of 0.1mm.
5.5.3.1.3 Inspection method of adhesive strength of adhesive bound books and periodicals Under the environment of 23±3℃, the center page of the adhesive bound sample book to be tested shall be passed through the thin slit in the middle of a flat plate. At this time, the other pages on both sides of the page shall be laid flat on the flat plate with the slit as the center line. In order to make it lay flat, a heavy object can be used to press it statically. Then, the page is fixed with a clamp so that the page can evenly withstand the slowly increasing static tension. In general, the displacement speed of the clamp should not be greater than 5mm/s.
When the ratio of the external force F on the book page to the length L of the book page is ≥4.5N/cm, and the book page does not fall off from the book back, it can be determined that the adhesive strength of the perfect binding sample book is qualified
5.5.3.2 Cover inspection method
5.5.3.2.1 The adhesive test shall be carried out in accordance with the requirements of CY/T40. 5.5.3.2.2 The side glue width shall be measured manually using a standard ruler with an accuracy of 0.1mm. 5.5.3.2.3 The side glue bonding condition and the book back requirements shall be inspected by manual visual inspection. 5.5.4 Saddle stitching inspection method
a) and c) in 3.5.4 shall be inspected by manual visual inspection, and b) shall be inspected using a standard ruler with an accuracy of 0.1mm. 5.6 Finished product quality inspection method
5.6.1 The finished product cutting size error, finished product skew, cover edge and book block front edge error, post line, book back word translation, and skew error in Table 7 shall be manually measured and inspected using a standard ruler with an accuracy of 0.1mm. 5.6.2 The cuts and overall appearance in Table 7 shall be directly inspected by manual visual inspection. 7
GB/T18359—2009
Packaging, transportation, storage
The printed finished products shall be tightly and firmly packed with special packaging materials; each package shall be marked in accordance with relevant standards and regulations. Transportation
It is not allowed to be stepped on, pressed or thrown from a height, and attention shall be paid to rain, moisture, sun and corrosion protection. 6.3 Storage
The ambient temperature and humidity shall be appropriate. Pay attention to moisture, sun, oil, moth and corrosion protection, and do not press heavily. 85) Batch
Sample size
Number of qualified judgment
Test method
Paper quality test
151~500
501~3200
3201~35000
35 001~500 000
The collection and processing of paper samples shall be carried out in accordance with the provisions of GB/T450 and GB/T10739. The size and deviation test of paper shall be carried out in accordance with the provisions of GB/T451.1. The quantitative test of paper shall be carried out in accordance with the provisions of GB/T451.2. The brightness (whiteness) test of paper shall be carried out in accordance with the provisions of GB/T7974. The opacity test of paper shall be carried out in accordance with the provisions of GB/T1543. The smoothness test of paper shall be carried out in accordance with the provisions of GB/T456. Unit: Volume
>500 000
The test of printing surface roughness shall be carried out in accordance with the provisions of GB/T22363. The clamping pressure is 980kPa. Color offset paper shall use a soft pad, and coated art printing paper shall use a hard pad. 5.1.8
The test of ink absorption of paper shall be carried out in accordance with the provisions of GB/T12911, and the test of tensile index of paper shall be carried out in accordance with the provisions of GB/T12914-2008. In case of any dispute, the constant speed stretching method shall be used for arbitration. The test of water absorption of paper shall be carried out in accordance with the provisions of GB/T1540. The test of paper expansion rate shall be carried out in accordance with the provisions of GB/T459. 2 The test of folding endurance of paper shall be carried out in accordance with the provisions of GB/T457. 5.1.12
The dustiness test of paper shall be carried out in accordance with the provisions of GB/T1541 GB/T18359-2009
The printing surface strength of paper shall be carried out in accordance with the provisions of GB/T22365-2008, and domestic medium-viscosity roughening oil shall be used. If there is any dispute, the electric acceleration method shall be used for arbitration.
The pH test of paper shall be carried out in accordance with the provisions of GB/T1545. The moisture test of paper shall be carried out in accordance with the provisions of GB/T462. Determination of paper defects inside roll paper: Take the outer 10 layers of roll paper, remove the outermost 5 layers, and the remaining 5 layers are samples. Cut it into 0.05m2 samples, select and weigh the samples with paper defects, and calculate the mass percentage of the samples with paper defects in the total samples. 5.1.18
Determination of paper defects on flat paper: 10 sheets of paper are randomly selected from each batch as samples, cut into samples of 0.05m2, samples with paper defects are selected and weighed, and the mass percentage of samples with paper defects in the total samples is calculated. 5.2 Method for testing the quality of color separation sheets
The method is carried out in accordance with the provisions of CY/T30.
Method for testing the quality of printing plate production
The method is carried out in accordance with the provisions of CY/T30.
5.4 Method for testing the quality of printing
The method is carried out in accordance with the provisions of CY/T5.
5.5 Method for testing the quality of binding
5.5.1 Method for testing folding and collating
Items a), b) and d) in 3.5.1 are visually inspected manually, and item c) is inspected using a standard ruler with an accuracy of 0.1mm. 5.5.2 The quality inspection method of cover lamination and glazing shall be carried out in accordance with the method specified in CY42.
5.5.3 Inspection method of adhesive binding
5.5.3.1 Inspection method of book core binding
5.5.3.1.1 Adhesive inspection shall be carried out in accordance with the requirements of CY/T40. 5.5.3.1.2 The milling back depth inspection shall be checked by manual visual inspection, and the milling back skewness and glue thickness shall be inspected by a standard ruler with an accuracy of 0.1mm.
5.5.3.1.3 Inspection method of adhesive strength of adhesive bound books and periodicals Under the environment of 23±3℃, the center page of the adhesive bound sample book to be tested shall be passed through the thin slit in the middle of a flat plate. At this time, the other pages on both sides of the page shall be laid flat on the flat plate with the slit as the center line. In order to make it lay flat, a heavy object can be used to press it statically. Then, the page is fixed with a clamp so that the page can evenly withstand the slowly increasing static tension. In general, the displacement speed of the clamp should not be greater than 5mm/s.
When the ratio of the external force F on the book page to the length L of the book page is ≥4.5N/cm, and the book page does not fall off from the book back, it can be determined that the adhesive strength of the perfect binding sample book is qualified
5.5.3.2 Cover inspection method
5.5.3.2.1 The adhesive test shall be carried out in accordance with the requirements of CY/T40. 5.5.3.2.2 The side glue width shall be measured manually using a standard ruler with an accuracy of 0.1mm. 5.5.3.2.3 The side glue bonding condition and the book back requirements shall be inspected by manual visual inspection. 5.5.4 Saddle stitching inspection method
a) and c) in 3.5.4 shall be inspected by manual visual inspection, and b) shall be inspected using a standard ruler with an accuracy of 0.1mm. 5.6 Finished product quality inspection method
5.6.1 The finished product cutting size error, finished product skew, cover edge and book block front edge error, post line, book back word translation, and skew error in Table 7 shall be manually measured and inspected using a standard ruler with an accuracy of 0.1mm. 5.6.2 The cuts and overall appearance in Table 7 shall be directly inspected by manual visual inspection. 7
GB/T18359—2009
Packaging, transportation, storage
The printed finished products shall be tightly and firmly packed with special packaging materials; each package shall be marked in accordance with relevant standards and regulations. Transportation
It is not allowed to be stepped on, pressed or thrown from a height, and attention shall be paid to rain, moisture, sun and corrosion protection. 6.3 Storage
The ambient temperature and humidity shall be appropriate. Pay attention to moisture, sun, oil, moth and corrosion protection, and do not press heavily. 85) Batch
Sample size
Number of qualified judgment
Test method
Paper quality test
151~500
501~3200
3201~35000
35 001~500 000
The collection and processing of paper samples shall be carried out in accordance with the provisions of GB/T450 and GB/T10739. The size and deviation test of paper shall be carried out in accordance with the provisions of GB/T451.1. The quantitative test of paper shall be carried out in accordance with the provisions of GB/T451.2. The brightness (whiteness) test of paper shall be carried out in accordance with the provisions of GB/T7974. The opacity test of paper shall be carried out in accordance with the provisions of GB/T1543. The smoothness test of paper shall be carried out in accordance with the provisions of GB/T456. Unit: Volume
>500 000
The test of printing surface roughness shall be carried out in accordance with the provisions of GB/T22363. The clamping pressure is 980kPa. Color offset paper shall use a soft pad, and coated art printing paper shall use a hard pad. 5.1.8
The test of ink absorption of paper shall be carried out in accordance with the provisions of GB/T12911, and the test of tensile index of paper shall be carried out in accordance with the provisions of GB/T12914-2008. In case of any dispute, the constant speed stretching method shall be used for arbitration. The test of water absorption of paper shall be carried out in accordance with the provisions of GB/T1540. The test of paper expansion rate shall be carried out in accordance with the provisions of GB/T459. 2 The test of folding endurance of paper shall be carried out in accordance with the provisions of GB/T457. 5.1.12
The dustiness test of paper shall be carried out in accordance with the provisions of GB/T1541 GB/T18359-2009
The printing surface strength of paper shall be carried out in accordance with the provisions of GB/T22365-2008, and domestic medium-viscosity roughening oil shall be used. If there is any dispute, the electric acceleration method shall be used for arbitration.
The pH test of paper shall be carried out in accordance with the provisions of GB/T1545. The moisture test of paper shall be carried out in accordance with the provisions of GB/T462. Determination of paper defects inside roll paper: Take the outer 10 layers of roll paper, remove the outermost 5 layers, and the remaining 5 layers are samples. Cut it into 0.05m2 samples, select and weigh the samples with paper defects, and calculate the mass percentage of the samples with paper defects in the total samples. 5.1.18
Determination of paper defects on flat paper: 10 sheets of paper are randomly selected from each batch as samples, cut into samples of 0.05m2, samples with paper defects are selected and weighed, and the mass percentage of samples with paper defects in the total samples is calculated. 5.2 Method for testing the quality of color separation sheets
The method is carried out in accordance with the provisions of CY/T30.
Method for testing the quality of printing plate production
The method is carried out in accordance with the provisions of CY/T30.
5.4 Method for testing the quality of printing
The method is carried out in accordance with the provisions of CY/T5.
5.5 Method for testing the quality of binding
5.5.1 Method for testing folding and collating
Items a), b) and d) in 3.5.1 are visually inspected manually, and item c) is inspected using a standard ruler with an accuracy of 0.1mm. 5.5.2 The quality inspection method of cover lamination and glazing shall be carried out in accordance with the method specified in CY42.
5.5.3 Inspection method of adhesive binding
5.5.3.1 Inspection method of book core binding
5.5.3.1.1 Adhesive inspection shall be carried out in accordance with the requirements of CY/T40. 5.5.3.1.2 The milling back depth inspection shall be checked by manual visual inspection, and the milling back skewness and glue thickness shall be inspected by a standard ruler with an accuracy of 0.1mm.
5.5.3.1.3 Inspection method of adhesive strength of adhesive bound books and periodicals Under the environment of 23±3℃, the center page of the adhesive bound sample book to be tested shall be passed through the thin slit in the middle of a flat plate. At this time, the other pages on both sides of the page shall be laid flat on the flat plate with the slit as the center line. In order to make it lay flat, a heavy object can be used to press it statically. Then, the page is fixed with a clamp so that the page can evenly withstand the slowly increasing static tension. In general, the displacement speed of the clamp should not be greater than 5mm/s.
When the ratio of the external force F on the book page to the length L of the book page is ≥4.5N/cm, and the book page does not fall off from the book back, it can be determined that the adhesive strength of the perfect binding sample book is qualified
5.5.3.2 Cover inspection method
5.5.3.2.1 The adhesive test shall be carried out in accordance with the requirements of CY/T40. 5.5.3.2.2 The side glue width shall be measured manually using a standard ruler with an accuracy of 0.1mm. 5.5.3.2.3 The side glue bonding condition and the book back requirements shall be inspected by manual visual inspection. 5.5.4 Saddle stitching inspection method
a) and c) in 3.5.4 shall be inspected by manual visual inspection, and b) shall be inspected using a standard ruler with an accuracy of 0.1mm. 5.6 Finished product quality inspection method
5.6.1 The finished product cutting size error, finished product skew, cover edge and book block front edge error, post line, book back word translation, and skew error in Table 7 shall be manually measured and inspected using a standard ruler with an accuracy of 0.1mm. 5.6.2 The cuts and overall appearance in Table 7 shall be directly inspected by manual visual inspection. 7
GB/T18359—2009
Packaging, transportation, storage
The printed finished products shall be tightly and firmly packed with special packaging materials; each package shall be marked in accordance with relevant standards and regulations. Transportation
It is not allowed to be stepped on, pressed or thrown from a height, and attention shall be paid to rain, moisture, sun and corrosion protection. 6.3 Storage
The ambient temperature and humidity shall be appropriate. Pay attention to moisture, sun, oil, moth and corrosion protection, and do not press heavily. 83 Adhesive Strength Test Method for Glue-bound Books and Periodicals Under 23±3℃, the center page of the glue-bound sample book to be tested is passed through a thin slit in the middle of a flat plate. At this time, the other pages on both sides of the page should be laid flat on the flat plate with the slit as the center line. To make it lay flat, a heavy object can be used to press it statically. Then fix the page with a clamp so that the page can evenly withstand the slowly increasing static tension. In general, the displacement speed of the clamp should not be greater than 5mm/s.
When the ratio of the external force F on the page to the page length L is ≥4.5N/cm, and the page does not fall off from the back of the book, it can be determined that the adhesive strength of the glue-bound sample book is qualified
5.5.3.2 Cover Testing Method
5.5.3.2.1 The glue test is carried out in accordance with the requirements of CY/T40. 5.5.3.2.2 The side glue width is manually measured using a standard ruler with an accuracy of 0.1mm. 5.5.3.2.3 The side glue bonding and book back requirements are checked by manual visual inspection. 5.5.4 Saddle stitching inspection method
3.5.4 a) and c) are inspected by manual visual inspection, and b) is inspected using a standard ruler with an accuracy of 0.1mm. 5.6 Finished product quality inspection method
5.6.1 The finished product cutting size error, finished product skew, cover edge and book block front edge error, post line, book back word translation, and skew error in Table 7 are manually measured and inspected using a standard ruler with an accuracy of 0.1mm. 5.6.2 The cuts and overall appearance in Table 7 are directly inspected by manual visual inspection. 7
GB/T18359—2009
Packaging, transportation, storage
The printed finished products are tightly and solidly packed with special packaging materials; each package has a mark that complies with relevant standards and regulations. Transportation
Do not trample, press or drop from height. Keep away from rain, moisture, sun and corrosion. 6.3 Storage
Environmental temperature and humidity should be appropriate. Keep away from moisture, sun, oil, moth and corrosion. Do not press. 83 Adhesive Strength Test Method for Glue-bound Books and Periodicals Under 23±3℃, the center page of the glue-bound sample book to be tested is passed through a thin slit in the middle of a flat plate. At this time, the other pages on both sides of the page should be laid flat on the flat plate with the slit as the center line. To make it lay flat, a heavy object can be used to press it statically. Then fix the page with a clamp so that the page can evenly withstand the slowly increasing static tension. In general, the displacement speed of the clamp should not be greater than 5mm/s.
When the ratio of the external force F on the page to the page length L is ≥4.5N/cm, and the page does not fall off from the back of the book, it can be determined that the adhesive strength of the glue-bound sample book is qualified
5.5.3.2 Cover Testing Method
5.5.3.2.1 The glue test is carried out in accordance with the requirements of CY/T40. 5.5.3.2.2 The side glue width is manually measured using a standard ruler with an accuracy of 0.1mm. 5.5.3.2.3 The side glue bonding and book back requirements are checked by manual visual inspection. 5.5.4 Saddle stitching inspection method
3.5.4 a) and c) are inspected by manual visual inspection, and b) is inspected using a standard ruler with an accuracy of 0.1mm. 5.6 Finished product quality inspection method
5.6.1 The finished product cutting size error, finished product skew, cover edge and book block front edge error, post line, book back word translation, and skew error in Table 7 are manually measured and inspected using a standard ruler with an accuracy of 0.1mm. 5.6.2 The cuts and overall appearance in Table 7 are directly inspected by manual visual inspection. 7
GB/T18359—2009
Packaging, transportation, storage
The printed finished products are tightly and solidly packed with special packaging materials; each package has a mark that complies with relevant standards and regulations. Transportation
Do not trample, press or drop from height. Keep away from rain, moisture, sun and corrosion. 6.3 Storage
Environmental temperature and humidity should be appropriate. Keep away from moisture, sun, oil, moth and corrosion. Do not press. 8
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