T/NKFA 017-2024 Sofa Product Quality Classification

Scope

Scope: This document specifies the basic principles, requirements, judgment rules, and classification marks for the quality grading of sofa products, describes the corresponding test methods, and defines the corresponding terms. This document is applicable to the quality grading of sofa products. Main technical content: Foreword III.1 Scope 12. Normative referenced documents 13. Terms and definitions 14. Product classification 15. Requirements 15.1 Basic requirements 25.2 Indicator requirements 25.2.1 Main dimensions, deviations, and shape symmetry 25.2.2 Product materials and processing requirements 25.2.3 Appearance requirements 35.2.4 Physical and chemical properties 35.2.5 Mechanical properties 45.2.6 Safety performance 55.3 Intelligent features 65.4 Ergonomics 66. Test methods 66.1 Main dimensions, deviations, and shape symmetry 66.2 Product materials and processing requirements 66.3 Appearance requirements 66.4 Physical and chemical properties 66.5 Mechanical properties 76. Safety performance 76.7 Intelligent features 76.8 Ergonomics 77. Judgment rules 77.1 Quality grading samples 77.2 Indicator grading judgment 77.3 Comprehensive product quality grading 78. Classification marks 7. Figure 1: Sofa product quality grading mark schematic diagram 8. Table 1: Sofa main dimensions, deviations, and shape symmetry grading indicators 2. Table 2: Sofa product materials and processing requirements grading indicators 2. Table 3: Sofa product appearance requirements grading indicators 3. Table 4: Sofa product physical and chemical properties grading indicators 4. Table 5: Sofa product mechanical properties grading indicators 5. Table 6: Sofa product safety performance grading indicators 5. Table 7: Sofa product intelligent features grading indicators 6. Table 8: Sofa product ergonomics grading indicators 6. Table 9: Sofa product comprehensive quality grading 7.

Development Information

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