Requirements 5.1 The appearance should comply with relevant national standards or industry standards for textiles. 5.2 In addition to breaking strength and tearing strength, the intrinsic quality should comply with the relevant national standards or industry standards for textiles. The breaking strength and tearing strength should comply with the provisions of GB/T18863, and the test methods shall be implemented in accordance with the provisions of GB/T3917.1 and GB/T3923.1 respectively. 5.3 Safety performance should comply with the regulations of GB18401 or GB31701. 5.4 Functional requirements 5.4.1 The waterproof performance of waterproof textiles requires grade 5.0 before and after washing for superior products. 5.4.2 Oil-proof high-quality products are grade 6 before washing and grade 5 after washing. 5.4.3 The pollution-repellent performance requirements for stain-repellent textiles for superior products shall be Grade 4.0 6. The inspection rules shall be in accordance with FZ/T10005. 7 Marking and packaging Marking and packaging shall be carried out in accordance with the provisions of FZ/T10010, and the marking of the inner packaging shall be carried out in accordance with the provisions of GB/T5296.4. When marking this standard number, the corresponding national standard or industry standard should be marked.