1 Scope
This standard specifies the grading, requirements, test methods, inspection rules as well as marking, packaging, transport and storage of cushions and backrests made from polyurethane foam for foamed seating (with fixed shape) of passenger car.
This standard is applicable to polyurethane foam used as antishock and comfort cushion materials for making cushions and backrests of seating of passenger car.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 2918-1998 Plastics - Standard atmospheres for conditioning and testing (ISO 291: 1997, IDT)
GB/T 3730.1-2001 Motor vehicles and trailers - Types - Terms and definitions
GB/T 6343-2009 Cellular plastics and rubbers - Determination of apparent density (ISO 845: 2006, IDT)
GB/T 6344-2008 Flexible cellular polymeric materials - Determination of tensile strength and elongation at break (ISO 1798: 2008, IDT)
GB/T 6669-2008 Flexible cellular polymeric materials - Determination of compression set (ISO 1856: 2000, IDT)
GB/T 6670-2008 Flexible cellular polymeric materials - Determination of resilience by ball rebound (ISO 8307: 2007, MOD)
GB 8410-2006 Flammability of automotive interior materials
GB/T 9640-2008 Flexible and rigid cellular polymeric materials - Accelerated ageing tests (ISO 2440: 1997, IDT)
GB/T 10807-2006 Flexible cellular polymeric materials - Determination of hardness (indentation technique) (ISO 2439: 1997, IDT)
GB/T 10808-2006 Flexible cellular polymeric materials - Determination of tear strength (ISO 8067: 1989, IDT)
GB/T 18941-2003 Flexible cellular polymeric materials - Determination of fatigue by constant-load pounding (ISO 3385: 1989, IDT)
GB/T 18942.1-2003 Flexible cellular polymeric materials - Determination of stress-strain characteristics in compression - Part 1: Low-density materials (ISO 3386-1: 1996, IDT)
3 Terms and definitions
Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Grading
5 Requirements
6 Test methods
7 Inspection rules
8 Marking, packaging, transport and storage
Annex A (Normative) Test methods for emission performance of interior materials
Annex B (Normative) Test on odor of foam for seating of passenger car
Annex C (Normative) Test method for fogging characteristics of foam material for seating of passenger car
