The scope FZ/T 73049 specifies the specifications, requirements, testing, judgment rules, product usage instructions, packaging, transportation, and storage of knitted masks. FZ/T 73049 is suitable for identifying the quality of Koucui made mainly of knitted fabrics. FZ/T 73049 is not applicable to medical masks and labor protection masks. This standard does not apply to clothing for infants and young children aged 36 months and below. The following normative references are essential for the application of this document. For dated references, only the version with issue 8 applies to this document. For undated references, the latest version (including all modification orders) applies to this document. GB/T 2910 (All Parts) Quantitative Chemical Analysis of Textiles GB/T 2912.1 Determination of Formaldehyde in Textiles Part 1: Free and Hydrolyzed Formaldehyde (Water Extraction Method) GB/T 3920 Textiles - Tests for Color Fastness to Rubbing (GB/T 3921-2008) - Tests for Color Fastness to Soap (GB/T 3922) - Test Methods for Color Fastness to Sweat (GB/T 4856) - Packaging of Cotton Knitted Fabrics (GB5296.4) - Instructions for the Use of Consumer Goods - Part 4: Textiles and Clothing (GB/T 5453) - Determination of Air Permeability of Textiles (GB/T 5713) - Tests for Color Fastness to Water (GB/T 7573) - Determination of pH of Crystal Water Extraction Solution (GB9994) Moisture regain GB/T 17592 Textiles - Determination of prohibited azo dyes GB18401 National Basic Safety Technical Specifications for Textile Products GB/T 18886 Textiles - Tests for Color Fastness to Saliva GB/T 29862 Identification of Fiber Content in Textiles FZ/T 01026 Quantitative Chemical Analysis of Four Component Fiber Mixtures FZ/T 01057 (All Parts) Test Method for Identification of Textile Fibers FZ/T 01095 Test Method for Fiber Content of Textile Spandex Products GSB 16-2500 Color Sample of Surface Defects in Knitted Fabrics

Function of testing report:

1. Project bidding: Issue authoritative third-party CMA/CNAS qualification report

2. Online e-commerce platform entry: Quality inspection report recognized by major e-commerce platforms

3. Used as a sales report: issuing legally effective testing reports to make consumers more confident

4. Papers and research: Provide professional personalized testing needs

5. Judicial services: providing scientific, fair, and accurate testing data

6. Industrial problem diagnosis: Verify the troubleshooting and correction of industrial production problems

100% inspection and testing process:

1. Telephone communication and confirmation of requirements

2. Recommend solutions and confirm quotations

3. Mail samples and arrange testing

4. Progress tracking and result feedback

5. Provide reports and after-sales service

6. If urgent or priority processing is required

Testing and testing characteristics:

1. The testing industry is fully covered, meeting different testing needs

2. Fully cover the laboratory and allocate localized testing nearby

3. Engineers provide one-on-one services to make testing more accurate

4. Free initial testing, with no testing fees charged

5. Self service order delivery for free on-site sampling

6. Short cycle, low cost, and attentive service

7. Possess authoritative qualifications such as CMA, CNAS, CAL, etc

8. The testing report is authoritative and effective, and is generally used in China