The sofa is a large consumer product in furniture products, with a large amount of large amounts. This standard is a revision of the QB/T1952.1-1999 standard. Compared with the original standard, the main changes are as follows:
1. Product classification: This standard is classified by the product classification according to the elastic material, cover fabric and use function of the surface of the product.
2. Main size requirements: In addition to the premises width and depth of the seat in the main size of the product, this standard has adjusted the size of the front and back height in front of the seat, and canceled the size of the armrest high size and the deviation of the shape size of the handrail. Require.
3. Material requirements: ⑴. The appearance of the product should be consistent with the identification of the logo; ⑵. The internal materials of the product should not be carried out; ⑶. The water content of the wood should not be higher than that The regulations are+1%. In the standard Appendix B (standardized appendix), the water balance value value value of the wood balance in various regions of my country is added as the basis for product assessment.面. Increased dry frictional color accuracy of ≥ 4 levels of textile fabrics, leather and artificial leather materials.
4. Mechanical performance requirements: The mechanical performance test of this standard shall be based on the grading requirements of the unified back durability (the original standard is required by the sofa elastic type), that is, the durability shall pass: the A -level 60,000 times; the level B 40,000 Two and C -Class 20,000 times. And the back relaxation momentum, handrail loosening, and compression volume have been adjusted accordingly.
5, flame retardant requirements: Considering the development trend of the product and reducing the harm to personal.
6. Inspection results evaluation: Product inspection is divided into type test and factory inspection. The test results are evaluated as: excellent grades (top grades), first -class products (B -level products), qualified products (C -level products) and unqualified products.
