QB/T 1706-1993 Striped Kraft Paper QB/T1706-1993 Standard Download Decompression Password: www.bzxz.net

Light Industry Standard of the People's Republic of China
Striped Kraft PaperbzxZ.net
Subject Content and Scope of Application
QB/T1706
—1993
This standard specifies the product classification, technical requirements, test methods, inspection rules and marking, packaging, transportation and storage of striped kraft paper. This standard applies to striped kraft paper for direct export, packaging of export goods and packaging of other goods. 2 Reference standards
GB/T450 Paper and paperboard sampling
Determination of size and deflection of paper and paperboardGB/T 451.1
GB/T451.2 Determination of the basis weight of paper and paperboardGB/T 454 Determination of the bursting strength of paper
GB/T455.1 Determination of the tear resistance of paper
GB/T462 Determination of moisture content of paper and paperboard
GB/T 1540
GB/T 2828
GB/T 10342
GB/T 10739
Product classification
Determination of water absorption of paper and paperboard (Cobber method)Batch inspectionCount sampling procedure and sampling table (applicable to continuous batch inspection)Paper packaging and marking
Standard atmosphere for handling and testing of pulp, paper and paperboard samples3.1 Striped kraft paper is divided into three grades: A, BC.
3.2 The color of striped kraft paper shall be in accordance with the provisions of the order contract. 3.3 Striped kraft paper is divided into two types: flat paper and roll paper. 4 Technical requirements and test methods
4.1 The technical indicators of striped kraft paper must comply with the provisions of Table 1. Table 1
Indicator name
Approved by the Ministry of Light Industry of the People's Republic of China on April 15, 1993320
Approved
All kinds of marking industry information download
Test method
GB/T 451. 2
Implemented on December 1, 1993
Indicator name
Burst index
Tear index (longitudinal)
3050g/m2
60~100g/m2
Water absorption (Cobb method) 60s
Delivery moisture
4.2 Paper size
Not less than
Not less than
Not more than
QB/T 1706--1993
Continued Table 1
kPa·m*/g
mN·m2/g
7±2:8
Test method
GB/T454
GB/T 455. 1
GB/T1540
GB/T462
4.2.1 Flat paper: 889mm×1194mm, 737mm×1118mm, 650mm×920mm, or other sizes of paper produced according to the order contract. The size error shall not exceed ±3mm, and the deflection shall not exceed 3mm. 4.2.2 Roll paper: The roll width shall be in accordance with the order contract, and the width error shall not exceed 3mm. 4.2.3 The roll length or weight shall be in accordance with the order contract, and the length error shall not exceed ±m. 4.3 The appearance of the paper shall conform to the paper sample specified in the order contract, and the color of each batch shall not have significant differences. 4.4 The paper surface shall be flat, and there shall be no folds, wrinkles, incompleteness, cracks, holes, hard blocks, dense pits, wet edges, missing edges, white stripes, white spots and other paper defects.
4.5 Striped kraft paper shall have good gloss and clear stripes, and no obvious dull streaks shall be allowed. 4.6
The cut edges of the paper shall be neat and clean.
Other quantitative striped kraft paper shall be produced according to the order contract. Its physical indicators can refer to the strength indicators of the adjacent standard quantitative. The number of broken ends of each roll of test paper shall not exceed 4, and the broken ends shall be connected well and clearly marked. Inspection rules
One batch is a delivery, but not more than 30t. The supplier shall ensure that the striped kraft paper meets the requirements of this standard, and each piece of paper shall be accompanied by a product quality certificate. 5.2
Product delivery inspection sampling shall be carried out in accordance with GB/T2828, and the sample unit shall be roll or piece. 5.3
The sampling and pre-inspection sample treatment shall be carried out in accordance with GB/T450 and GB/T10739. 5.4
The delivery inspection sampling items, sequence and inspection level, sampling plan and acceptable quality level (AQL) shall be carried out in accordance with Table 2. 5.5
Sampling plan
Batch, roll
(pieces)
26~90
91~150
Normal inspectionSecondary sampling planInspection level1Class B nonconforming products
Sample size
Class C nonconforming products
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Nonconforming classification
Class C nonconforming
Class B nonconforming
Burst index
Tear index
Water absorption
Delivery moisture
AppearancePaper defects
QB/T 1706-1993
5.6 The purchaser has the right to inspect the product quality according to the provisions of this standard. If there is any objection to the product quality, the purchaser shall notify the supplier within three months after the arrival of the goods (or according to the contract provisions) to jointly take samples for re-inspection or entrust the inspection department for re-inspection. If it does not meet the provisions of this standard, it shall be determined as a batch failure and the supplier shall be responsible for handling it.
6 Marking, packaging, transportation, storage
6.1 Packing and marking shall be carried out in accordance with the provisions of GB/T10342, or according to the requirements of the two parties through negotiation. 6.2 When transporting and stacking, rolls or paper pieces shall not be dropped from a high place. 6.3 Clean and covered transportation vehicles shall be used for transportation. 6.4 Paper shall be properly stored to prevent it from being affected by rain, snow and 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 Shanghai Changzheng Paper Mill. The main drafter of this standard is Fu Xiaomei.
This standard adopts the French NFQ12-007 "Characteristics of Friction Calendered Kraft Wrapping Paper". From the date of implementation of this standard, the former Ministry of Light Industry standard QB750-1980 "Striped Kraft Paper" will be invalid. 322
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