QB/T 1646-2007 (English Version) PDF

Scope: This standard specifies the classification, requirements, test methods, inspection rules and marking, packaging, transportation and storage of polyurethane synthetic leather. This standard applies to polyurethane synthetic leather with a hollow lotus root-like fiber structure made from needle-punched nonwoven fabrics through wet processing of polyurethane resin, solvent extraction and a series of post-finishing processes.

QB/T 1646-2007 Referenced Document

GB 250-1995 Gray scale for assessing change in colour
GB 251-1995 Gray scale for assessing staining
GB/T 2828.1-2003 Sampling procedures for inspection by attributes--Part 1: Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection
GB/T 2918-1998 Plastics--Standard atmospheres for conditioning and testing
GB/T 3920-1997 Textiles--Tests for colour fastness--Colour fastness to rubbing
GB/T 4689.21-1996 Leather--Determination of absorption of water
GB/T 4744-1997 Textile fabrics--Determination of resistance to water penetration--Hydrostatic pressure test
GB/T 8949-1995 Polyurethane dry-processing artificial leather
QB/T 2709-2005 Leather-Physical and mechanical tests-Determination of thickness
QB/T 2710-2005 Leather-Physical and mechanical tests-Determination of tensile strength and percentage extension
QB/T 2712-2005 Leather-Physical and mechanical tests-Determination of distension and strength of grain-Ball burst test
QB/T 2714-2005 Leather-Physical and mechanical tests-Determination of flex resistance