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GB/T 20708-2019Limit and determination of parts of harmful substances in textile dyeing and finishing auxiliaries (English PDF)

纺织染整助剂产品中部分有害物质的限量及测定

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

March 25, 2019

Implementation date

February 1, 2020

Scope

GB/T 20708-2019 is the English-translated version of 纺织染整助剂产品中部分有害物质的限量及测定.

GB/T 20708-2019 fixes limits for some harmful substances in textile dyeing and finishing auxiliaries and gives the methods for determining them.

It sets the limit requirements, the test methods, the inspection rules and the content of the test report, and a normative annex lists the substances concerned: carcinogenic aromatic amines, heavy metal elements such as arsenic, cadmium, cobalt, chromium, copper, mercury, nickel, lead and antimony, formaldehyde, alkylphenols and their ethoxylates, phthalates, perfluorinated and organotin compounds and chlorophenols.

The determinations are carried out by reference to other national test methods, and re-inspection on a double quantity is required when one indicator fails. It applies to the auxiliaries used on textile products during dyeing and finishing.

It replaces GB/T 20708-2006, was issued on 25 March 2019 and has applied since 1 February 2020.

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Document preview — GB/T 20708-2019

National Standard of the People's Republic of China

ICS: 71.100.40
Classification: G 70
Replacing: GB/T 20708-2006

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Foreword3
1 Scope5
2 Normative references5
3 Limit requirements6
4 Test methods8
5 Inspection rules9
6 Test report9
Annex A (normative) List of harmful substances11

1 Scope

This Standard specifies limit requirements, test methods, inspection rules, test report for parts of harmful substances in textile dyeing and finishing auxiliaries (see Annex A).

This Standard is applicable to various textile dyeing and finishing auxiliaries used for textile products in the dyeing and finishing process.

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 601, Chemical Reagent - Preparations of Standard Volumetric Solutions

GB/T 603, Chemical reagent - Preparations of reagent solutions for use in test methods

GB/T 6682-2008, Water for analytical laboratory use - Specification and test methods

GB/T 8170-2008, Rules of rounding off for numerical values & expression and judgement of limiting values

GB 19601, Limit and determination of 23 harmful aromatic amines in dye products

GB/T 23972, Determination of alkylphenols and alkylphenol polyethoxylates in textile dyeing and finishing auxiliaries - LC/MS method

3 Limit requirements

4 Test methods

4.5 Determination of alkylphenol ethoxylate

Determination of alkylphenol ethoxylate is performed according to GB/T 23972.

4.6 Determination of phthalate

Determination of phthalate is performed according to GB/T 24168.

4.7 Determination of perfluorinated compound

Determination of perfluorinated compound is performed according to GB/T 29493.2.

4.8 Determination of organotin compound

Determination of organotin compound is performed according to GB/T 29493.3.

4.9 Determination of chlorophenol content

Determination of chlorophenol content is performed according to GB/T 24166.

5 Inspection rules

5.1 Determination rules

Products shall be subject to all-item inspection according to this Standard by quality inspection department. Compare inspection results and requirements specified in this Standard. When they all meet requirements of this Standard, this product shall be accepted.

5.2 Re-inspection

Should one indicator in the inspection results fail to meet this Standard, it shall re-sample from the packaging of double quantity for inspection. Even when one indicator in the re-inspection results fails to meet requirements of this Standard, the whole batch of products shall be rejected.

6 Test report

The test report shall at least provide the following information:

a) sample description;

b) standard used (reference to this Standard);

c) test results and detection limit;

d) instrument names and models used; […]

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

Referenced standards

Normative references

Cited by

Similar standards

GB 26396-2026|GB/T 11985-2026|GB/T 12028-2026|GB/T 13216-2026|GB/T 17829-2026|GB/T 19421-2026

Editions of GB/T 20708

Edition	Title	Revision	Status
GB/T 20708-2019	Limit and determination of parts of harmful substances in textile dyeing and finishing auxiliaries	current edition	Current
GB/T 20708-2006	Limit and determination of parts of harmful substances in textile dyeing and finishing auxiliaries	previous edition	Superseded

This page sells the current edition, GB/T 20708-2019. Earlier editions are listed for reference only.

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