This standard specifies the product classification, technical requirements, test methods, inspection rules and marking, packaging, transportation and storage of jacquard paperboard. This standard is applicable to jacquard paperboard for punching cards on jacquard machines in the textile industry. QB/T 1713-1993 jacquard paperboard QB/T1713-1993 standard download decompression password: www.bzxz.net
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The Light Industry Standard of the People's Republic of China is jacquard paperboard. Subject content and scope of application. QB/T 1713-- -1993. This standard specifies the product classification, technical requirements, test methods, inspection rules and marking, packaging, transportation and storage of jacquard paperboard. This standard is applicable to jacquard paperboard for punching cards on jacquard machines in the textile industry. 2 Reference standards GB/T450 Paper and paperboard sampling Determination of paper and paperboard size and deflection GB/T 451.1 GB/T451.2 Determination of paper and paperboard basis weight GB/T451.3 Determination of paper and paperboard thickness GB/T 453 GB/T 459 GB/T 462 Determination of paper and paperboard tensile strength (constant rate loading method)Determination of paper elasticity Determination of water content of paper and paperboard Determination of water absorption of paper and paperboard (Cobber method) GB/T 1540 GB/T2679.3 Determination of stiffness of paper and paperboard GB/T 2828 GB/T 10342bzxZ.net GB/T 10739 3 Product classification Batch inspection counting sampling procedures and sampling tables (applicable to inspection of continuous batches) Paper packaging and marking Standard atmosphere for sample handling and testing Pulp, paper and paperboard 3.1 Jacquard paperboard is divided into B grade and C grade according to quality. 3.2 Jacquard paperboard is a flat paperboard. 4 Technical requirements and test methods The technical indicators of jacquard paperboard must comply with the provisions of Table 1. 4.1 Indicator name Not less than Table 1 approved by the Ministry of Light Industry of the People's Republic of China on April 15, 1993 440±20 480±20 580±20 GB/T 451. 2 GB/T 451.3 Test method 1993-12-01 implementation Indicator name Average value of tensile strength in longitudinal and transverse directions not less than 440g/m2 480g/m2 580g/m2 Water absorption (front side) not more than Flexibility Immersion time in water for 30min not more than Transverse stiffness 440g/m2 480g/m2 580g/m2 Delivery moisture not less than QB/T 1713-1993 Continued Table 1 Test method GB/T 453 GB/T1540 GB/T459 GB/T 2679. 3 GB/T462 4.2 Cardboard size: 1265mm×775mm, 1265mm×700mm, or as specified in the order contract. The cardboard size deviation shall not exceed ±5.0mm, and the deflection shall not exceed 5.0mm. 4.3 The cardboard surface shall be flat, smooth and not warped. The cardboard must be trimmed, and the trimming shall be neat and clean. 4.4 The cardboard shall not be delaminated during cutting and punching. 4.5 The color of the cardboard shall be the natural color of the fiber, and glue shall be applied inside. 4.6 4.7 There shall be no wrinkles, cracks, bulges, impurities or fiber bundles on the cardboard surface. 5 Inspection rules One batch is one delivery, but not more than 30t. 5.1 The supplier shall ensure that the products produced meet the requirements of this standard, and a product quality certificate shall be attached to each paper delivered. 5.2 5.3 Product delivery sampling inspection shall be carried out in accordance with GB/T2828, and the sample unit is piece. 5.4 Delivery sampling plan, inspection level, and qualified quality level (AQL) shall be as specified in Table 2. Table 2 Sampling plan Batch, piece 151~3 200 Normal inspection Secondary sampling plan Inspection level S-3 Class B nonconforming products Sample size Class C nonconforming products Nonconforming classification Class B nonconforming Tensile strength Class C nonconforming Water absorption Flexibility Delivery moisture Appearance quality QB/T1713—1993 5.5 The sampling of samples shall be carried out in accordance with the provisions of GB/T450, and the pre-inspection treatment of samples shall be carried out in accordance with the provisions of GB/T10739. 5.6 The buyer has the right to inspect and accept according to this standard. If there is any objection to the batch quality, the buyer shall notify the supplier within three months after the arrival of the goods for joint re-inspection. If it does not meet the requirements of this standard, it shall be judged as a batch failure and the supplier shall be responsible for handling it; if it meets the requirements of this standard, the buyer shall be responsible for handling it. 6 Marking, packaging, transportation, storage 6.1 The packaging and marking of paperboard shall be carried out in accordance with the provisions of GB/T10342, and the following supplements shall be made: 6.1.1 The net weight of each piece of paperboard is 250kg, or the number of sheets agreed with the user. 6.1.2 Paperboards of different brands, thicknesses, sizes and grades shall be packaged separately. 6.2 Paperboards shall be properly stored to prevent them from being affected by wind, rain, snow and ground moisture. 6.3'When transporting, use a canopy and clean transportation tool. 6.4 Paper pieces shall not be thrown down from a height. Additional instructions: 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 Liaoyang Industrial Paperboard Factory. The main drafters of this standard are Li Xixiang, Zheng Rongde, Zhang Jialiang, Li Lanfen and Liu Mei. From the date of implementation of this standard, the former Light Industry Ministry standard GB604-1973 "Jacquard Paperboard" will be invalid. This standard refers to "OCT3246-1974 "Jacquard Paperboard". 347 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.