This standard specifies the product classification, technical requirements, test methods, inspection rules and marking, packaging, transportation and storage of needle wrapping paper. This standard is applicable to various types of outer packaging paper for steel needles. QB/T 1602-1992 Needle wrapping paper QB/T1602-1992 Standard download decompression password: www.bzxz.net

Light Industry Standard of the People's Republic of China
Needle Packing Paper
1 Subject Content and Scope of Application
QB/T1602-1992
This standard specifies the product classification, technical requirements, test methods, inspection rules and marking, packaging, transportation and storage of needle packing paper. This standard is applicable to various types of outer packaging paper for steel needles. 2 Reference standards
GB/T450 Paper and paperboard sampling
GB/T 451.1 Paper and paperboard size and skewness determination method GB/T 451.2
GB/T 457
GB/T 462
GB/T 1540
GB/T 2828
Paper and paperboard determination method
Paper folding endurance determination method
Paper and paperboard moisture determination method
Paper and paperboard water absorption determination method (Kebo method) Batch inspection counting sampling procedure and sampling table (applicable to continuous batch inspection) GB/T 10342
Paper packaging and markingbzxz.net
Standard atmosphere for pulp, paper and paperboard sample handling and testing GB/T 10739
3 Product classification
3.1 Pin paper is a mechanically calendered black flat paper. 4 Technical requirements and test methods
4.1 The technical indicators and test methods of pin paper must comply with the provisions of Table 1. Table 1
Indicator name
Folding endurance (average in longitudinal and transverse directions)
Water absorption (60s by Kebo method)
Delivery moisture
Not less than
Not more than
Test method
GB/T 451.2
GB/T457
GB/T1540
GB/T462
4.2 Paper size
The size of the paper is 787mm×1092mm, or as required by the order contract. The size deviation shall not exceed 3mm, and the deflection shall not exceed 3mm. The test method shall be in accordance with GB/T451.1. 4.3 Appearance quality
The fiber structure of paper shall be uniform, the paper surface shall be flat, there shall be no warping or severe curling, and there shall be no folds, seersucker, wrinkles, hard blocks, holes, cracks and other paper defects that affect the use. The paper shall not have obvious blackening and fuzzing. There shall be no obvious difference in the color tone of the paper, and the blackness of the paper shall be based on the provisions of the supply and demand parties. The cut edges of the paper shall be neat and clean. 5 Inspection rules
5.1 Products can only be shipped after passing the inspection, and the product quality certificate shall be attached. 5.2 The purchaser has the right to accept according to the inspection items specified in this standard. If there is any objection to the product quality, the supplier should be notified within three months after arrival (or as stipulated in the contract) to jointly take samples for re-inspection, or jointly entrust the monitoring department to conduct re-inspection. If the re-inspection results do not meet the requirements of this standard, they should be judged as batches of unqualified products and the supplier shall be responsible for handling them. 5.3 The quantity of each delivery is a batch, and each batch shall not exceed 30t. 5.4 The unit of product delivery inspection is piece.
The sampling inspection of delivery inspection shall be carried out in accordance with GB/T2828. 5.5
The sampling of samples from sample units and the handling of samples before inspection shall be carried out in accordance with GB/T450 and GB/T10739. 5.6
The items, sequence and inspection level, sampling plan and acceptable quality level (AQL) of delivery inspection shall be as specified in Table 2. 5.7
Sampling plan
26~150
6Marking, packaging, transportation, storage
Normal inspection Secondary sampling plan Inspection level 1 Class B nonconforming products
Sample size
Class C nonconforming products
AQL--10. 0
Nonconforming classification
Nonconforming
Folding endurance
Water absorption
6.1 Packing and marking shall be carried out in accordance with the provisions of GB/T10342, or in accordance with the provisions of the order contract. 6.2 During transportation, a canopied and clean transport vehicle shall be used, and paper shall not be impacted during loading and unloading. 6.3 Paper shall be properly stored to prevent the influence of rain, snow and ground moisture. Additional remarks:
This standard is 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 Shanghai Guofeng Paper Mill. The main drafters of this standard are Zhang Bingsheng, Yao Meidi and Yao Yong. From the date of implementation of this standard, the former Ministry of Light Industry standard QB206-1973 "Needle-wrapped Paper" will be invalid. 302
Unqualified
Water head
Appearance quality
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