Standard No.:	GB/T 41793-2022
English Name:	Test method of artificial leather and synthetic leather—Determination of the potential to phenolic yellowing
Chinese Name:	人造革合成革试验方法 潜在酚黄变的测定
Chinese Classification:	Y47    Artificial leathers and synthetic leathers
Professional Classification:	GB    National Standard
ICS Classification:	59.080.40 59.080.40    Coated fabrics 59.080.40
Source Content Issued by:	SAMR; SAC
Issued on:	2022-10-12
Implemented on:	2023-5-1
Status:	valid
Target Language:	English
File Format:	PDF
Word Count:	5500 words
Translation Price(USD):	165.0
Delivery:	via email in 1 business day

GB/T 41793-2022 Test method of artificial leather and synthetic leather - Determination of the potential to phenolic yellowing 1 Scope This document describes the method for determination of the potential to phenolic yellowing of artificial leathers and synthetic leathers. This document is applicable to the determination of potential phenolic yellowing of artificial leathers and synthetic leathers. 2 Normative References The following documents contain requirements which, through reference in this text, constitute provisions 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 251 Textiles - Tests for colour fastness - Grey scale for assessing staining GB/T 29778-2013 Textiles - Tests for color fastness - Assessment of the potential to phenolic yellowing of materials GB/T 30435 Electric gravity convection and forced ventilation ovens QB/T 5160-2017 Test method for synthetic leather and artificial leather - Methods for measuring colours 3 Terms and Definitions For the purposes of this document, the following terms and definitions apply. 3.1 phenolic yellowing phenomenon of phenolic compounds becoming yellow when they are exposed to nitrogen oxides, resulting in the yellowing of artificial leathers and synthetic leathers [Source: GB/T 29778-2013, 3.1, modified] 3.2 potential to phenolic yellowing likelihood or ability to undergo phenolic yellowing [Source: GB/T 29778-2023, 3.2]

Foreword i 1 Scope 2 Normative References 3 Terms and Definitions 4 Principle 5 Sample preparation 6 Test equipment 7 Materials for testing 8 Test procedure 9 Test results 10 Test report