GB/T 42695-2023: Textiles - Quantitative chemical analysis - Mixtures of kapok with certain other fibers

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Scope

This document describes a method of chemical analysis for the determination of the
fiber content of two-component mixtures of kapok with certain other fibers after
removal of non-fibrous matter.
This document applies to two-component mixtures of kapok and certain natural protein
fibers (silk, sheep wool, other animal hair fibers), certain native cellulose fibers (cotton,
flax, ramie), certain regenerated cellulose fibers (viscose fiber, modal fiber, lyocell fiber,
copper ammonia fiber), polyester fiber, polypropylene fiber, polyethylene fiber,
polyamide fiber, polyacrylonitrile fiber, certain modified acrylic fibers, polyurethane
elastic fiber, polyvinyl alcohol fiber, acetate fiber or triacetate.
This document does not apply to mixtures where cotton fibers or regenerated cellulose
have been subjected to severe chemical degradation, nor does it apply to mixtures in
which there are durable finishing agents or reactive dyes that cannot be completely
removed in the kapok, making them insoluble.
Note: See Appendix A for the qualitative identification method of kapok.

Basic Data

Standard ID	GB/T 42695-2023 (GB/T42695-2023)
Description (Translated English)	Textiles - Quantitative chemical analysis - Mixtures of kapok with certain other fibers
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	W04
Classification of International Standard	59.080.01
Word Count Estimation	16,135
Date of Issue	2023-05-23
Date of Implementation	2023-12-01
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration