1 Scope
This standard specifies the technical requirements, appearance defect inspection, test methods, inspection rules, marks and packaging of special industrial cotton cloth (II). This standard is applicable to the identification of special industrial cotton cloth (II).
2 Reference standards
The following standards contain provisions that, through reference in this standard, constitute provisions of this standard. When the standard is published, the versions shown are valid. All standards will be revised. All parties using this standard should explore the possibility of using new versions of the following standards.
GB | 3920-83 | Textiles -- Test method for colour fastness to rubbing |
GB | 3921-83 | Textiles -- Test method for colour fastness to washing |
GB/T | 406—93 | Cotton plain cloth |
GB/T | 411-93 | Cotton printed and dyed cloth |
FZ | 65001-1995 | Test method for physical and mechanical properties of special industrial fabrics |
FZ | 65004-1995 | Test method for chemical properties of special industrial textiles |
FZ | 65006—1995 | Marking and packaging of special industrial textiles |
FZ | 65008-1995 | Inspection rules for special industrial textiles |
3 Technical Requirements
3.1 See Table 1 for physical, mechanical and chemical properties.
3.2 Appearance defects
3.2.1 The evaluation of appearance defects shall be conducted according to the provisions of GB/T 411 cotton printed and dyed cloth and GB/T 406 cotton plain cloth.
3.2.2 See Table 2 for the agreed length and allowable number of defects.
3.2.3 When evaluating appearance defects, the specified piece length of each variety is 40 m. If the total score is no more than 10 points, the product is qualified. If the piece length is less than or more than the piece length, the allowed score and the allowed number of false shearing are converted proportionally.
Table 1 Physical, Mechanical and Chemical Performance Indexes

Table 2 Agreed piece length and allowable number of defects
Item No | Product Name | Specified piece length and Allowable tolerance m | Shortest segment length and false shear Minimum distance between m | Shortage of specified length Allow quantity to rice meter Of % | Allowable number of false shearing |
051 | Plain twill | 40-5 | ten | five | two |
052 | Dyed cambric | 40-5 | ten | five | two |
053 | Waterproof coarse plain cloth | 40-5 | ten | five | two |
054 | Dyed twill | 40-5 | ten | five | two |
055 | Plain plain cloth | 40-5 | ten | five | two |
056 | Dyed satin | 40-5 | ten | five | two |
056 | Flame retardant satin cloth | 40-5 | ten | five | two |
058 | Plain cloth | 40-5 | ten | five | two |
060 | Plain cloth | 40-5 | ten |
| two |
062 | Plain plain cloth | 40-5 | ten | five | two |
Note: The manufacturer can submit the double piece |
4 Test method
The color fastness test shall be carried out according to GB 3920 and GB 3921. The physical and mechanical performance test shall be carried out according to the provisions of FZ 65001.
The chemical property test shall be carried out according to FZ65004.
5 Inspection rules
The inspection rules shall be in accordance with FZ 65008.
6 Mark and package
Marking and packaging shall be in accordance with FZ 65006.