This standard specifies the technical specifications for single-sided writing paper. This standard applies to single-sided writing paper for office use. QB/T 2352-1997 Single-sided writing paper QB/T2352-1997 Standard download decompression password: www.bzxz.net
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Classification number Y32 Registration number 1005-1998 Light Industry Standard of the People's Republic of China QB/T2352-97 Single-sided writing paper 1998 01 16 Release China Light Industry Association 199809-01 Implementation B/2352-7 This standard confirms ZBY3202890. "Single-sided writing paper". The test conditions of this standard are adjusted from the original (20±1)℃, (65±2)% relative warpage to (23±1)℃. (50±2)% relative cohesion, and the technical indicator breaking length is adjusted accordingly. From the date of implementation of this standard, the original professional standard ZBY32028-90 "Single-sided writing paper" shall be used as the standard. This standard is proposed by the Food Papermaking Department of China Light Industry Association. This standard is under the jurisdiction of the National Paper Standard Promotion Center. This standard was drafted by Yingkou Paper Mill. The main drafter of this standard is Qu Chayuan. rKAoNiKAca- :1 Model drawing Light Industry Standard of the People's Republic of China Single-sided writing paper This standard specifies the technical specifications of single-sided writing paper. This standard is applicable to single-sided writing office paper. 2 Referenced standards QB/T 2352 - 97 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 parties using this standard should explore the possibility of using the latest version of the following standards. GB 450-→89Taking of samples of paper and paperboardGB451.1-89Determination of size and deflection of paper and paperboardGB 451.2 89 GB 453 89 GB 460 — 89 GB462-89 GB 1541 89 GB 2828 — 87 GB7974-87 Determination of basis weight of paper and paperboard Determination of tensile strength of paper and paperboard (constant rate loading method)Determination of sizing degree of fiber and paperboard (water stroke method)Determination of moisture content of paper and paperboard Dust content of paper and paperboard by Sherlock method Batch-by-batch sampling procedure and sampling tableDetermination of whiteness of paper and paperboard (immersion/vertical method)GE 10342 — 89 GB 10739 - 89 3 Product classification Paper packaging and marking Standard atmosphere for handling and testing of pulp, paper and paperboard samples Single-sided writing paper is divided into three grades: B, C and D according to quality. 3.1 3.2 Single-sided writing paper is flat paper. 4 Technical requirements The technical indicators of single-sided writing paper shall comply with the provisions of Table 1 and the requirements of the order contract. The paper size is 880mm×1230mm and 787mm×1092mm. Other sizes of paper can be produced as needed. 4.2 The paper size deviation shall not exceed ±3mm, and the skewness shall not exceed 3mm. 4.3 The fiber structure of the paper shall be uniform, the cut edges of the paper shall be neat and clean, and the color tone of the same batch of paper shall not have obvious differences in thinness. 4.4 The paper should be smooth, without sand, hard blocks, stripes, folds, holes, wrinkles, damage or other appearance defects that affect the use of the paper. Approved by China Light Industry General Association in 1998-0116 199B — 09 — 01. Implementation Average of tearing length in longitudinal and transverse directions Gluing degree (0.3 ~ 2.5) mm (1.0 ~ 1.5) mm2 Black dust Dust degree (greater than 1.5~2.5) mm Black dust greater than 2.5 mm2 Black dust block (2;s ~ 4.0) men Non-rosy dust Delivery moisture 9B/T 2352 -- 97 pieces/m2 72.0 ~~ 80.0 Not allowed Not allowed Not allowed 4.5 Those with the following conditions shall be classified as second-class products, but no more than two items shall be reviewed: a) The quantity exceeds the prescribed allowable deviation but is within ±7% of the quantity; b) The broken length is within 10% of Wei Chong; ℃) The dust demon exceeds the prescribed limit by less than 10%; ) Those whose self-measurement exceeds the standard limit by seven shall be classified as second-class products. 5 Test method 25.0 ± 1.3 30.0±1.5 35.0 ± 1,8 40.0 ± 2.0 70.0 ~~ 80.0 Not allowed Not allowed Not allowed 6.0 ± 2.0 The sample collection and pre-test treatment shall be determined in accordance with the provisions of GB450 and GB10739. 5.2 The size and skewness of the sample shall be determined in accordance with the provisions of GB451.1, and the quantitative determination shall be carried out in accordance with the provisions of GB451.2. 5.3: Whiteness shall be determined in accordance with the provisions of GB7974. p No 54 The sizing degree shall be measured in accordance with GB460, and the second line of "paper water penetration and diffusion comparison board" shall be implemented. 5.5 The breaking length shall be measured in accordance with GB453. The dust content shall be measured in accordance with GB1541. For dust larger than 1.0mm2, 10 paper samples equivalent to 1m2 shall be taken for measurement. 5.6 5.7 The moisture content of delivery shall be measured in accordance with GB 462. 6 Inspection rules One batch of goods shall be considered as one batch, but not more than 50.t, KAoNrKAca Q8/T 2352 — 97 6.2 The manufacturer shall ensure that the paper produced meets the requirements of the standard, and each piece of paper shall be accompanied by a certificate of conformity when it is delivered. 6.3 The sampling inspection for acceptance inspection shall be carried out in accordance with the provisions of GB2828, and the sample unit is the order. 6.4 The sampling plan for acceptance inspection and the batch quality judgment number shall be in accordance with the provisions of Table 2. Table 2 Sampling plan Batch (today) 51 ~ 500 501 ~ 3 200 Sample size 5 (10) Normal secondary sampling plan Inspection level s--3 Class B non-conforming products C Non-conforming products Non-conforming classification Class B non-conforming Breaking length C Type of non-conformity Dust Moisture Appearance quality 6.5 The buyer has the right to inspect whether the quality of the batch of products meets the requirements of this standard. If the buyer has any objection to the quality of the batch of products, it should notify the supplier within three months after receipt and conduct a joint re-inspection. If it does not meet the requirements of this standard, it shall be judged as a batch of non-conformity and the supplier shall be responsible for handling it. If it meets the requirements of this standard, it shall be judged as a batch of qualified and the buyer shall be responsible for handling it. 7 Marking, packaging, transportation, storage 7.1 Single-sided writing paper packaging and marking Carry out in accordance with the provisions of GB10342 and the requirements of the order contract. 7.2 Single-sided writing paper should be properly stored to prevent rain, snow, ground moisture and harmful substances from causing the paper to deteriorate. 7.3 During transportation, it should be transported by a clean and safe means of transportation, and it is strictly prohibited to drop from the place of departure 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 regulation, the party responsible for the loss shall be responsible. bzxz.net People's Republic of China Light Industry Standard Single-sided Writing Paper OB/T 235297 Light Industry Standardization Editorial and Publishing Committee Address: No. 12 Guanghua Road, Chaowai, Beijing Postal Code: 100020 Tel: (010) 65060022--2309 No reproduction allowed Internal information Printing quantity: 1-500 copies Price: 5.00 yuan YY KAONMY KAca Tip: This standard content only shows part of the intercepted content of the complete standard. 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