QB/T 1457-1992 Coil Paperboard QB/T1457-1992 Standard download decompression password: www.bzxz.net

Light Industry Industry Standard of the People's Republic of China
Bobbin Paperboard
Subject Content and Scope of Application
QB/T1457-1992
This standard specifies the product classification, technical requirements, test methods, inspection rules and marking, packaging, transportation and storage of bobbin paperboard. This standard is applicable to bobbin paperboard used for manufacturing roving tubes, chemical fiber tubes and other paper core tubes for similar purposes. 2 Reference standards
GB/T450 Paper and paperboard sampling
GB/T451.1 Determination of size and skewness of paper and paperboardGB/T 451.2 Determination of basis weight of paper and paperboardGB/T451.3 Determination of thickness of paper and paperboardDetermination of sizing degree of paper and paperboard (ink streaking method)GB/T 460
GB/T 461.1
Determination of capillary liquid separation of paper and paperboard (Krem method)Determination of moisture content of paper and paperboard
GB/T 462
Determination of folding endurance of paperboard (Schober tester)GB/T 1538
GB/T 1539
GB/T 1540
GB/T 2828
GB/T 10342
Determination of bursting strength of paperboard
Determination of water absorption of paper and paperboard (Cobber method)Batch inspection counting sampling procedure and sampling table (applicable to inspection of continuous batches)Paper packaging and marking
Standard for sample handling and testing of pulp, paper and paperboardGB/T 10739
3 Product classification
3.1 Tube paperboard is divided into G type and H type. G type is hanging tube paperboard for POY tubes and cones, and H type is filling sizing tube paperboard for DTY and POY tubes. H type tube paperboard for FDY tubes is listed in Appendix A. 3.2 The technical quality of tube paperboard is divided into three grades: A, B and C. 3.3 Tube paperboard is divided into two types: flat plate and roll. 3.4 The thickness and quantity of the product can also be implemented according to the provisions of the contract. 4 Technical requirements
4.1 The size of the flat plate is 787mm×1092mm, or as specified in the order contract. The size deviation is not allowed to exceed ±5mm, and the deflection is not allowed to exceed 5mm.
4.2 The width of the roll is 787, 1220.1600mm: according to the order contract. The weight of each roll is between 400~500kg, or as specified in the order contract. The width deviation is not allowed to exceed ±5mm4.3 The technical indicators of the tube paperboard must comply with the provisions of Table 1. Standard search approved by the Ministry of Light Industry of the People's Republic of China in 1992-0414
Standard Industry Restaurant Department Free Download
1992-12-01 Implementation
Burst Index
Not less than
Folding Endurance
Gluing Degree
Water Absorption Value
Delivery Moisture
Indicator Name
285g/m2
360g/m2
Thickness 390g/m2
430g/m2
510g/m2
0.40,0.50,0.55,
0. 60.0. 70mm
Not less than
Not less than
QB/T 1457—1992
kPa-m\/g
285±11.5
360±14.5
390±15.5
430-19:8
510 yuan
0.40±0.02
0. 50±0.02
0.55±0.02
0.60±0. 02
0.70±0.02
14. 0～80. 0Www.bzxZ.net
285±13
360±16
390±17
430±19
510±23
0. 40±0. 03
0.50±0.03
0.55±0.03
0.60±0.03
0.70±0.03
4.4 The paper surface should be flat, without sand, hard blocks, holes, wrinkles, cracks and other paper defects that affect the use. 4.5 The tube paperboard shall not have pulp blocks larger than 1cm2 and pulp blocks smaller than 1cm2. A and B grades shall not exceed 2 pieces/m2, and C grade shall not exceed 4 pieces/m\.
4.6 During the reeling process, the non-periodic paper defects that are not easy to find inside the roll shall not exceed 3%. The internal broken ends of the roll shall be clearly marked, and the number of broken ends in each roll shall not exceed 2 for A and B grades, and not more than 3 for C grade. 4.7
The following conditions may be classified as second-class products, but no more than two of them shall be exceeded at the same time. a.
The quantitative value exceeds the specified value by less than 2%;
The thickness exceeds the specified value by less than 0.01mm;
The bursting index is less than the specified value by less than 10%;
The moisture content exceeds the specified value by less than 2%;
The number of broken ends of the roll is less than 5.
5 Test method
The treatment of the sample before inspection shall be carried out in accordance with the provisions of GB/T10739, and the sampling shall be carried out in accordance with the provisions of GB/T450. The determination of size and deflection shall be carried out in accordance with the provisions of GB/T451.1. 5.3 Quantitative determination shall be carried out in accordance with GB/T451.2. 5.4 Thickness determination shall be carried out in accordance with GB/T451.3. 5.5 Burst index determination shall be carried out in accordance with GB/T1539. 5.6 Folding endurance determination shall be carried out in accordance with GB/T1538. 5.7 Gluing degree determination shall be carried out in accordance with GB/T460. 5.8 Water absorption value determination shall be carried out in accordance with GB/T1540, and the water absorption time is 60s. 5.9 Water content determination shall be carried out in accordance with GB/T462. 266
Marking degree thin network Aw.bzs
All kinds of marking industry information free download
QB/T1457--1992
5.10 When measuring the paper defects inside the roll, remove the outer 5 layers, take another 5 layers of samples, cut into 0.03m2 paper pieces (the number of sample small pieces is 100), and then select the paper pieces with paper defects and calculate their percentage of the sample. 6 Inspection rules
6.1 The delivery quantity is considered as a batch, but not more than 50t. 6.2 The manufacturer shall ensure that the produced bobbin paperboard meets the requirements of this standard, and each roll and each bobbin paperboard shall be accompanied by a certificate of conformity. 6.3 The delivery inspection bundle sample shall be carried out in accordance with the provisions of GB/T2828. The grouping sequence, inspection level and qualified quality level (AL) of the delivery inspection lock shall be as specified in Table 2. 6.4
Roll (piece)
91~280
Inspection level 1
Normal inspection Sampling plan
Class B non-conforming products
Sample size
Class C non-conforming products
AQL m 6.5
Non-conforming classification
Non-conforming
Burst index
Non-conforming
Folding endurance
Glue content
Water absorption
Delivery moisture
6.5 If the purchaser has any objection to the product quality, it shall notify the supplier within one month after the receipt of the loan, and jointly take samples for inspection. If it does not meet the requirements of this standard, it shall be judged as a batch non-conforming. The supplier shall be responsible for handling it. If it is qualified, the purchaser shall be responsible for handling it. 7 Marking, packaging, packaging, storage
7.1 The packaging and marking of paperboard shall comply with the provisions of GB/T10342 or the requirements of the order contract. 7.2 Paperboard shall be carefully stored to prevent the influence of rain, snow and harmful substances on the ground. 7.3 During transportation, it shall be transported by a canopy and clean transportation vehicle. It is strictly forbidden to unload from a high place during unloading. 7.4 If the product deteriorates or suffers other losses due to storage and transportation that do not meet the requirements of this standard, the party responsible for the loss shall be responsible.
Standard document
All standards
QB/T 1457--1992
Appendix A
FDY tube paperboard
(supplement)
A1 The technical requirements for high-speed spinning FDY tube paperboard (H type) are shown in Table A1. Table Al
Indicator name
Degree 360g/m2
430g/m2
360g/m2
430g/m2
Water absorption value
Liquid absorption height
Delivery moisture
Not less than
Note: Liquid absorption height is not used as the basis for delivery inspection. Test method
A2.1 Quantitative determination shall be carried out in accordance with GB/T451.2. A2.2 Thickness determination shall be carried out in accordance with GB/T451.3. A2.3 Burst resistance determination shall be carried out in accordance with GB/T1539. A2.4 The determination of water absorption value shall be carried out in accordance with GB/T1540. The determination of single
mm/10min
liquid absorption height shall be carried out in accordance with GB/T461.1. A2.5
A2.6 The determination of water content shall be carried out in accordance with GB/T462. Additional remarks:
This standard was proposed by the Paper Industry Department of the Ministry of Light Industry. This standard is under the jurisdiction of the National Paper Standardization Center. This standard was drafted by Huasheng Paper Mill in Suzhou City, Jiangsu Province. Specification
360±14.5
430±17.0
0.50±0.02
0.60±0.02
100～200
10～15
7. 0~12. 0
The main drafters of this standard are Xiao Fengqiao and Yan Guoxiang. From the date of implementation of this standard, the former Ministry of Light Industry standard QB739-1980 "Bobbin Paperboard" will be invalidated. This standard adopts the Soviet Union standard FOCT891-1975 "Textile bobbin and cone paper and paperboard". 268
Dual capital free of charge
Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.