This standard specifies the definition, structure, classification and grading, requirements, test methods, inspection rules, packaging, transportation, storage, etc. of heavy-duty corrugated paper boxes. This standard applies to the production, circulation, use and supervision and inspection of heavy-duty corrugated paper boxes. GB/T 16717-1996 Packaging container Heavy-duty corrugated paper boxes GB/T16717-1996 Standard download decompression password: www.bzxz.net
This standard specifies the definition, structure, classification and grading, requirements, test methods, inspection rules, packaging, transportation, storage, etc. of heavy-duty corrugated paper boxes. This standard applies to the production, circulation, use and supervision and inspection of heavy-duty corrugated paper boxes.

GB/T16717-1996
This standard is equivalent to the British standard BS1133 Section 7: Chapter 7.5: 1981 "Corrugated Carton" in terms of technical content: In terms of writing format, it complies with the provisions of GB/T1.1-1993 "Guidelines for Standardization Work Unit 1: Rules for Drafting and Presentation of Standards Part 1: Basic Provisions for Standard Writing".
Through the formulation of this standard, in order to meet the needs of the rapid development of heavy commodity transportation packaging in my country and the adoption of advanced foreign standards, Appendix A in this standard is the appendix of the standard. This standard was proposed by China National Packaging Corporation. This standard is under the jurisdiction of the National Packaging Standardization Technical Committee. This standard was drafted by Chongqing Huaya Modern Paper Co., Ltd., and was drafted by West China Packaging Group, Chongqing Packaging Quality Supervision and Inspection Station, Changzhou Changfeng Packaging Co., Ltd., and Guangzhou Dongfang Carton Company. The main drafters of this standard: Mi Guoan, Chen Yiquan, Liu Huailun, Huang Rongquan, Peng Xianwei, Zhang Jianlan, Luo Yaosheng 569
1 Scope
National Standard of the People's Republic of China
Packing containers
Heavy duty corrugated box
Packing containers-Heavy duty corrugated box
GB/T16717-1996
This standard specifies the definition, structure, classification and grading, requirements, test methods, inspection rules and packaging, transportation, storage, etc. of heavy duty corrugated boxes.
This standard applies to the production, circulation, use and supervision inspection of heavy duty corrugated boxes. 2 Referenced standards
The provisions contained in the following standards constitute the provisions of this standard through reference in this standard. When this standard is published, the versions shown are valid. All standards will be revised, and the parties using this standard should explore the possibility of using the latest version of the following standards. GB450--89 Paper and paperboard sampling
GB2828-81 Batch inspection counting sampling procedure and sampling table (applicable to continuous batch inspection)GB/T4857.2-92 Temperature and humidity conditioning treatment of packaging and transport packagesGB/T 4857. 4--92
GB/T 4857. 5--92
GB/T 4892--1996
Pressure test method for packaging and transport packages
Drop test method for packaging and transport packages
Hard rectangular transport packaging size series
Corrugated paperboard
GB 6543--86
Corrugated paperboard
GB 6547--86
3 Definitions and codes
3.1 Definitions
This standard adopts the following definitions.
Method for determination of thickness
Heavy duty corrugated boxHeavy duty corrugated box Corrugated box for transport packaging with a mass of contents greater than 55kg or a comprehensive dimension greater than 2500mm. 3.2 Codes
The relevant codes of this standard are as follows:
BR—four-layer composite heavy-duty corrugated box; BD—five-layer heavy-duty corrugated box:
BP—six-layer composite heavy-duty corrugated box;
—seven-layer composite heavy-duty corrugated box;
seven-layer heavy-duty corrugated box.
4 Structure, classification and grading
4.1 Box structure
Approved by the State Administration of Technical Supervision on October 3, 1996, 570
Implementation on May 1, 1997
GB/T 16717—1996
The box structure of heavy-duty corrugated boxes shall comply with the provisions of Appendix A of GB6543-86. In order to improve the protection of the contents, it is allowed to add carton accessories such as baffles, pads, and bases in the box; if there are special requirements for the box structure, it shall be agreed upon by the supply and demand parties. 4.2 Classification
Heavy-duty corrugated boxes are divided into five types according to the different types of heavy-duty corrugated paperboard used: four-layer composite heavy-duty corrugated boxes, five-layer composite heavy-duty corrugated boxes, six-layer composite heavy-duty corrugated boxes, seven-layer composite heavy-duty corrugated boxes, and seven-layer heavy-duty corrugated boxes. 4.3 Grading
Heavy-duty corrugated boxes are divided into three grades: A, BC, according to the corresponding grades of heavy-duty corrugated paperboard used. 5 Requirements
5.1 Appearance
5.1.1 The printed graphics on the box surface are correct, clear, with consistent ink depth and accurate position, and there should be no obvious deflection. 5.1.2 The box body is square, and no obvious damage or stains are allowed on the surface, and there should be no splicing on the box surface. 5.2 Nail table
5.2.1 Low-carbon steel flat wire with coating (copper, zinc) should be used for nailing cartons. The flat wire should not have rust spots, peeling, cracking or other defects caused by use.
5.2.2 The seams of the cartons should be nailed firmly and through, and there should be no defects such as overlapping nails, missing nails, warped nails, broken nails, bent nails, and no corners. 5.2.3 The width of the overlapping tongue edge of the carton joint is 35-50mm, and it is nailed with oblique nails or horizontal nails, and the nails should be nailed along the center line of the overlapping edge.
5.2.4 The nails are arranged neatly and evenly, and the distance between the head and tail nails and the top and bottom indentation lines is no more than 25mm. 5.3 Bonding
The adhesive used for carton joints should be vinyl acetate emulsion or other adhesives with equivalent effects; the width of the joint tongue edge is appropriate, the adhesive is fully and evenly applied, and the bonding is firm. 5.4 Indentation
The depth of the indentation is consistent, the fold line is centered, and there should be no cracking phenomenon; no extra indentation lines are allowed on the box wall, and the width of the indentation lines is stipulated as follows:
a) Concave and convex indentation line width: The width of the indentation line of corrugated paper boxes with less than six layers is not more than 17mm; the width of the indentation line of seven-layer corrugated paper boxes is not more than 20mm;
b) Offset indentation line width: The offset spacing between the indentation line on the inner surface of the box and the indentation line on the outer surface of the box is not more than 20mm. 5.5 Cutting edge
The blade edge is smooth, and the width of the surface crack of the cut edge does not exceed 8mm. 5.6 Box corners
After the carton is formed, there are no obvious holes or corners at the corners of the box. 5.7 Carton specifications
Carton specifications are expressed by the inner dimensions of length (L)×width (B)×height (H). The deviation of the inner dimensions of the carton is shown in Table 1. Table 1 Deviation of carton inner dimensions
Comprehensive dimensions
1 000～2 500
Four-layer composite heavy-duty
Corrugated carton
Five-layer heavy-duty
Corrugated cartonWww.bzxZ.net
Note: The deviation values ​​in the table refer to the deviation values ​​of the length, width and height of the carton. 5.8 External dimensions of carton bottom area
Six-layer composite heavy-duty
Corrugated carton
Seven-layer composite heavy-duty
Corrugated carton
Seven-layer heavy-duty
Corrugated carton
GB/T 16717-1996
According to the mass and volume of the contents, the external dimensions of the bottom area of ​​the carton should preferably use the size series specified in GB/T4892. 5.9 Folding resistance of swing flap
After the swing flap of the carton is opened and closed 180\reciprocatingly five times, there should be no cracks on the surface and inner layer of Class A and Class B cartons; there should be no cracks on the surface layer of Class C cartons, and the length of the cracks in the inner layer is allowed to be no more than 10% of the length of each swing flap. 5.10 Compression resistance of cartons
The compression resistance of various corrugated cartons shall comply with the provisions of Appendix A or the requirements agreed upon by the supply and demand parties. 5.11 The impact resistance of corrugated cartons shall be clearly specified in the standards or technical requirements of corrugated cartons for each specific product or agreed upon by the supply and demand parties.
6 Test method
6.1 The inspection of appearance, bonding and box corners shall be carried out under daylight or standard light source, with the inspector's eyes at a distance of more than 500mm from the sample. 6.2 The inspection of nailing, indentation and cutting edge shall be carried out with a steel coil (straight) ruler with an accuracy of 1mm. 6.3 Inspection of the inner dimensions of the carton
Perform in accordance with the provisions of 6.2 of GB6543-86. 6.4 Inspection of the folding resistance of the swing cover
After the carton is supported and formed, first fold the swing cover inward 90°, then open and close it 180° five times to test the cracks of the swing cover. 6.5 Inspection of the thickness of the corrugated cardboard
Perform in accordance with the provisions of GB6547.
6.6 Inspection of the physical and mechanical properties of the corrugated cardboard 6.6.1 The sampling and pre-test treatment of the sample shall be carried out in accordance with the provisions of GB450 and GB/T4857.2. 6.6.2 The edge compression strength, bursting strength and puncture strength of the corrugated cardboard used shall be tested in accordance with the provisions of GB/T16718. 6.6.3 The pressure resistance of the carton shall be tested in accordance with the provisions of GB/T4857.4. 6.6.4 The impact strength test of cartons shall be carried out in accordance with the provisions of GB/T4857.5, and the number of samples shall not be less than 3. 7 Inspection rules
7.1 The inspection department of the manufacturer shall conduct inspections in accordance with the provisions of this standard or the contract and issue a certificate of conformity. 7.2 The inspection of heavy-duty corrugated cartons is divided into factory inspection and type inspection. 7.2.1 out! Inspection
Items 5.1~5.9 in this standard are all factory inspection items. 7.2.2 Type inspection
7.2.2.1The requirements specified in this standard are all type inspection items. 7.2.2.2 Conditions for type inspection
Heavy-duty corrugated boxes should be subjected to type inspection when one of the following conditions occurs: a) Production trial and type identification of new products; b) When the product is discontinued for three months and production is resumed; () After formal production, there are major changes in raw materials or process technology that may affect product performance; d) Normal production, once every six months; c) When the factory inspection results are significantly different from the last type inspection; ") The national quality supervision agency proposes When type inspection is required. 7.3 Sampling and batching judgment rules
7.3.1 The classification of non-conforming products is shown in Table 2.
2 Factory inspection
Inspection items
Cutting edge
Thickness of corrugated cardboard
Inner dimensions of carton
Folding resistance of swing cover
Compression resistance of carton
Edge compression strength
Burst strength
Punch strength
GB/T 16717—1996
Table 2 Classification of non-conforming products
Class A non-conforming
7.32.1 The delivery batch of products of the same variety and specification is one batch7. 3. 2. 2
(pieces)
Class B nonconformity
Sampling inspection shall be carried out in accordance with the provisions of GB2828, with the sample unit as one. The sampling plan is shown in Table 3. Table 3 Sampling plan
One normal inspection plan Special inspection level S-2 Sample size
50~150
151~1200
12013500
7.3.2.3 Determination of sample unit as nonconformity ：B-type nonconformity AQL=4.0
a) When there are more than one B-type nonconformity and more than two C-type nonconformities: b) When there are more than two B-type nonconformities and zero C-type nonconformities, c) When there are zero B-type nonconformities and more than four C-type nonconformities. C-type nonconformity
C-type nonconformity
7.3.2.4 Determination of batches
According to the provisions of 7.3.2, 2, if the batch is nonconformity, it can be re-tested after repair or elimination of nonconforming products. The strictness of the new sampling inspection remains unchanged. If the product still fails to meet the standards, the batch of products shall be deemed unqualified. 7.3.3 Type inspection
7.3.3.1 The samples used for items 1 to 9 in Table 2 shall be sampled and judged according to the provisions of 7.3.2.2 to 7.3.2.4 from the qualified products of the factory inspection.
7.3.3.2 The samples used for items 10 to 13 in Table 2 shall be randomly selected from the qualified products of the factory inspection. After inspection, if there is any non-conforming item, If the product is not qualified, the type inspection will fail.
8 Packaging, transportation and storage
GB/T16717—1996
8.1 The product must be tied with a strong plastic braided belt rope. 8.2 The product should be protected from rain, sun exposure, moisture and pollution during storage and transportation; transportation and loading and unloading methods that damage the product shall not be used. 8.3 The product storage environment should be clean, dry and ventilated: when stored, the height from the ground shall not be less than 150mm. 8.4 The storage period of the product is generally not more than half a year. 574
GB/T16717—1996
Appendix A
(Appendix to the standard)
Compression resistance of corrugated cardboard boxes
The compression resistance value P (N) of corrugated cardboard boxes should not be less than the calculated value obtained by formula (A1): A
P=KXGX
Wherein: P is the compression resistance value of the corrugated cardboard box, N; K is the strength insurance coefficient;
G is the mass of the goods loaded in the corrugated cardboard box, N; H is the stacking height of the cardboard box (generally 300 cm), cm; h is the height of the cardboard box, cm.
The strength insurance coefficient K is determined by the storage period and storage conditions of the goods in the carton: A2
a) Storage period is less than 30 days, K=1.60,
b) Storage period is 30 days to 100 days, K=1.65; c) Storage period is more than 100 days, K=2.00. .(A1)
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