FZ/T 73049-2024 Knitted mask
1 Scope
This document specifies the specification, requirements, tests, sampling rules, judgment rules, instructions for use, packaging, transportation and storage of knitted masks.
This document is applicable to knitted masks made mainly of knitted fabric.
This document is not applicable to medical masks, labor protection masks and children's protective masks.
This document is not applicable to masks for infants aged 36 months or below.
2 Normative references
The following documents contain provisions 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 2910 (All parts) Textiles - Quantitative chemical analysis
GB/T 2912.1 Textiles - Determination of formaldehyde - Part 1: Free and hydrolyzed formaldehyde (water extraction method)
GB/T 3921-2008 Textiles - Tests for colour fastness - Colour fastness to washing with soap or soap and soda
GB/T 3922 Textiles - Tests for colour fastness - Colour fastness to perspiration
GB/T 4856 Package of cotton goods and knitwear
GB/T 5296.4 Instructions for use of products of consumer interest - Part 4: Textiles and apparel
GB/T 5453 Textiles - Determination of the permeability of fabrics to air
GB/T 5713 Textiles - Tests for colour fastness - Colour fastness to water
GB/T 7573 Textiles - Determination of pH of aqueous extract
GB/T 8629-2017 Textiles - Domestic washing and drying procedures for textile testing
GB/T 14233.1-2008 Test methods for infusion, transfusion, injection equipments for medical use - Part 1: Chemical analysis methods
GB/T 17592 Textiles - Determination of banned azo colourants
GB 18401 National general safety technical code for textile products
GB/T 18830 Textiles - Evaluation for solar ultraviolet radiation protective properties
GB/T 29862 Textiles - Identification of fiber content
GB/T 29865 Textiles - Tests for colour fastness - Colour fastness to rubbing - Small areas
GB/T 31127-2014 Textiles - Tests for colour fastness - Colour fastness to transfer in joints
GB 31701 Safety technical code for infants and children textile products
GB/T 32610-2016 Technical specification of daily protective mask
GB/T 35263 Textiles - Testing and evaluation for cool feeling in contact instant
GB/T 38015 Textiles - Quantitative chemical analysis - Mixtures of elastane and certain other fibers
FZ/T 01026 Textiles - Quantitative chemical analysis - Mulitinary fibre mixtures
FZ/T 01057
(All parts) Test method for identification of textile fibers
FZ/T 01101 Textile test method - Fiber content - Quantitative physical analysis
GSB 16-2159 Knitwear standard depth scale
GSB 16-2500 Color sample photos of surface defect on knitted fabrics
3 Terms and definitions
No terms and definitions are listed in this document.
4 Specification
The main body specification of the knitted mask is expressed as length × width, in centimeters.
5 Requirements
5.1 Grading requirements
5.1.1 The products are only classified into acceptable products or not in terms of the quality grade.
5.1.2 Inherent quality is graded by batch and appearance quality by piece. Both shall meet the prescribed requirements.
5.2 Inherent quality requirements
5.2.1 See Table 1 for the inherent quality requirements.
Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Specification
5 Requirements
6 Tests
7 Sampling rules
8 Judgment rules
9 Instructions for use, packaging, transportation and storage of products
