GB/T 15342-2023Talc powder (English PDF)

Foreword

This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1: Structure and Drafting Rules of Standardization Documents" Drafting.

This document replaces GB/T 15342-2012 "Talc Powder". Compared with GB/T 15342-2012, except for structural adjustments and editorial changes In addition, the main technical changes are as follows:

a) Delete the terms "finely ground talc", "fine talc" and "ultrafine talc" and their definitions (see Chapter 3 of the 2012 edition);

b) Changed "Classification and Labeling" (see Chapter 4, Chapter 4 of the 2012 edition);

c) The physical and chemical property requirements of talc powder for cosmetics have been changed (see 5.1, 5.1 of the 2012 edition);

d) Changed the physical and chemical property requirements for talc powder for coatings and paints (see 5.2, 5.2 of the 2012 edition);

e) Added physical and chemical property requirements for talc powder used in wood coatings (see 5.3);

f) The physical and chemical property requirements of talc powder for papermaking have been changed (see 5.4, 5.3 of the 2012 edition);

g) The physical and chemical property requirements for talc powder for plastics have been changed (see 5.5, 5.4 of the 2012 edition);

h) The physical and chemical property requirements for talc powder for rubber have been changed (see 5.6, 5.5 of the 2012 edition);

i) The physical and chemical property requirements of talc powder for cables have been changed (see 5.7, 5.6 of the 2012 edition);

j) The physical and chemical property requirements of talc powder for ceramics have been changed (see 5.8, 5.7 of the 2012 edition);

k) The physical and chemical property requirements for talc powder used in waterproofing materials have been changed (see 5.9, 5.8 in the 2012 edition);

l) The physical and chemical property requirements for general talc powder have been changed (see 5.10, 5.9 of the 2012 edition);

m) Added physical and chemical property requirements for pharmaceutical talc powder (see 5.11);

n) Added requirements for physical and chemical properties of talc powder for food use (see 5.12);

o) Changed the type inspection conditions (see 7.1.2, 2012 version of 7.1.2);

p) The talc powder factory inspection items have been changed (see Table 14, Table 11 of the 2012 version).

1 Scope

This document specifies the classification, grading and labeling, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of talc powder.

This document applies to the production and inspection of talc powder made from mechanical processing of natural talc ore.

2 Normative reference documents

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, the dated quotations For undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to this document.

GB/T 191 Packaging, storage and transportation pictorial mark

GB 5009.75 National Food Safety Standard Determination of Lead in Food Additives

GB 5009.76 National Food Safety Standard Determination of Arsenic in Food Additives

GB/T 5950 Method for measuring whiteness of building materials and non-metallic mineral products

GB/T 15343 Chemical analysis method of talc

GB/T 15344 Physical testing methods for talc

GB/T 23263 Determination of asbestos content in products

JC/T 534 Talc powder packaging bags

Safety Technical Specifications for Cosmetics (2015 Edition) (State Food and Drug Administration Announcement No. 268, 2015)

3 Terms and definitions

The following terms and definitions apply to this document.

4 Classification, grading and labeling