QB/T 3522-1999 Braille printing paper QB/T3522-1999 standard download decompression password: www.bzxz.net
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Light Industry Industry Standard of the People's Republic of China Braille Printing Paper 1 Subject Content and Scope of Application This standard specifies the technical specifications for Braille printing paper. This standard applies to paper used for printing books for the blind. 2 Reference Standards GB/T450 Taking of Paper and Paperboard Samples GB/T451.1 Determination of Size and Skewness of Paper and Paperboard GB/T 451. 2 Determination of Basis Weight of Paper and Paperboard Determination of Thickness of Paper and Paperboard GB/T 451. 3 GB/T 453 GB/T454 GB/T462 GB/T1540 GB/T 2828 Determination of tensile strength of paper and paperboard (constant rate loading method)Determination of bursting strength of paper Determination of moisture content of paper and paperboard Determination of water absorption of paper and paperboard (Cobber method)Batch-by-batch inspection counting sampling procedure and sampling table (applicable to inspection of continuous batches)Paper packaging and marking GB/T 10342 GB/T 10739 3 Product classification Specimen handling and test standards Pulp, paper and paperboard 3.1 Braille printing paper is roll paper with a roll diameter of (650 ± 50) mm. The roll width is 635 mm or as specified in the order contract. The width deviation shall not exceed ± 5 mm. 3.2 4 Technical requirements and test methods 4.1 The technical indicators of Yuwen printing paper must comply with the provisions of Table 1. Table 1 Indicator name Burst resistance Double breaking length Water absorption (Kebo method) Delivery moisture Not more than Not less than Not less than Not more than 4.2 The paper page should not have paper defects that affect its use, such as folds, spots, holes, etc. Approved by the State Bureau of Light Industry on April 21, 1999 110.0~125.0 QB/T3522—1999 Replaced ZBY32022-—1990 Test method GB/T451.2 GB/T451.3 GB/T454 GB/T453 GB/T1540 GB/T462 Implemented on March 1, 1999 QB/T 3522-—1999 4.3 The end face of the roll shall not exceed 15mm, and the sawtooth shape shall not exceed 5mm. 4.4 There shall be obvious signs at the broken ends, and no more than 3 broken ends shall be found on each roll. 5 Inspection rules 5.1 The manufacturer shall ensure that the paper produced meets the requirements of this standard, and each roll shall be accompanied by a certificate of technical inspection. 5.2 The receiving unit shall accept the quantity delivered at one time as a batch. It shall be carried out in accordance with GB/T2828, and the sample unit shall be a roll. The sampling plan, inspection level, qualified quality level (AQL), etc. shall be in accordance with the provisions of Table 2. Table 2 Sampling plan Batch, roll 16~50 51~500 Normal secondary sampling inspection level S-3 Class B non-conforming products Sample size Class C non-conforming products Non-conforming classification Non-conforming Burst resistancewww.bzxz.net 5.3 The sampling of samples and the treatment of samples before inspection shall be carried out in accordance with the provisions of GB/T450 and GB/T10739. c Unqualified Longitudinal tear length Gluing degree 5.4 Users have the right to inspect whether the products meet the requirements according to this standard. If users have any objections to the product quality, they should raise them to the manufacturer within three months after arrival, and jointly sample and re-test. If the re-test results do not meet the requirements of this standard, they should be judged as batch unqualified and the manufacturer shall be responsible for handling. 6 Marking, packaging, transportation, storage 6.1 The packaging and marking of paper rolls shall be carried out in accordance with the provisions of GB/T10342. 6.2 A covered wagon must be used for transportation. If there is no covered wagon, it must be covered with bitter cloth. 6.3 Paper rolls are not allowed to be thrown from a height. 6.4 Paper should be properly stored to prevent the influence of rain, snow or ground moisture. 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 Jiamusi Paper Factory. The main drafter of this standard is Dai Zengcheng. From the date of implementation of this standard, the former Light Industry Ministry Standard QB331-1973 "Yuwen Printing Paper" will be invalid. 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.