Standard No.:	QB/T 4342-2012
English Name:	Safety requirements for polyurethane synthetic leather clothing
Chinese Name:	服装用聚氨酯合成革安全要求
Chinese Classification:	Y47    Artificial leathers and synthetic leathers
Professional Classification:	QB    Professional Standard - Light Industry
ICS Classification:	59.080.40 59.080.40    Coated fabrics 59.080.40
Source Content Issued by:	MIIT
Issued on:	2012-5-24
Implemented on:	2012-11-1
Status:	valid
Target Language:	English
File Format:	PDF
Word Count:	7000 words
Translation Price(USD):	210.0
Delivery:	via email in 1 business day

QB/T 4342-2012 Safety requirements for polyurethane synthetic leather clothing 1 Scope This standard specifies the safety classes, requirements and test methods of polyurethane synthetic leather for clothing. This standard is applicable to synthetic leather for clothing made of main raw materials (such as base fabric and polyurethane resin) by wet or dry coating and post-processing. 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 2912.1-2009 Textiles - Determination of formaldehyde - part 1: Free and hydrolyzed formaldehyde (water extraction method) GB/T 6682-2008 Water for analytical laboratory use - Specification and test methods GB/T 7573-2002 Textiles - Determination of pH of the aqueous extract GB/T 17593.1-2006 Textiles - Determination of heavy metals - Part 1: Atomic absorption spectrophotometry GB/T 17593.3-2006 Textiles - Determination of heavy metals - Part 3: Chromium(VI) - Spectrophotometry GB/T 18414.1-2006 Textiles - Determination of the content of chlorinated phenols - Part 1: Gas chromatography/mass spectrography GB/T 18885-2009 Technical specifications of ecological textiles GB/T 19942-2005 Leather and fur - Chemical tests - Determination of banned azo colourants GB/T 20382-2006 Textiles - Determination of carcinogenic dyestuffs GB/T 20383-2006 Textiles - Determination of allergenous disperse dyestuffs GB/T 20385-2006 Textiles - Determination of organotin compounds GB/T 20386-2006 Textiles - Determination of the content of ortho-phenylphenol GB/T 20388-2006 Textiles - Determination of the content of phthalates GB/T 23296-2009 Food contact materials - Determination of isocyanates in plastics - High performance liquid chromatography QB/T 4046-2010 General safety specification for polyurethane superfine fibre synthetic leather SN/T 1877.2-2007 Determination of polycyclic aromatic hydrocarbons in plastic and plastic article SN/T 2005.1-2005 Determination of polybromobiphenyls and polybromobiphenyl ethers in electrical and electronic equipment - Part 1: High performance liquid chromatography method SN/T 2446-2010 Determination of dimethyl fumarate in leather and leather products - Gas chromatography-mass method 3 Safety classes The products are classified into two classes by purposes, see Table 1. Table 1 Safety classes

Foreword i 1 Scope 2 Normative references 3 Safety classes 4 Requirements 5 Test methods Annex A (Normative) List of aromatic amines that are not allowed to be decomposed from dyes under reducing conditions, as well as carcinogenic dyes and allergy-inducing dyes Annex B (Normative) Restricted phthalate plasticizers Annex C (Normative) List of polycyclic aromatic hydrocarbons Annex D (Normative) Determination on residual amount of dimethylformamide in synthetic leather - Gas chromatography