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This standard specifies the product varieties, specifications, requirements, test methods, inspection rules, markings, and packaging of linen bedding. This standard is applicable to the identification of the quality of pure linen, woven linen bedding with a linen content of 50% or more (bed sheets, bed covers, duvet covers, pillowcases, cushions, etc.). The following normative references are essential for the application of this document. For dated references, only the dated version applies to this document. All undated references (including all modification orders) are applicable to this document. GB/T 250 Textiles - Assessment of Color Fastness - Grey Sample Card for Discoloration - 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 3917.2- Tear Resistance of Textiles and Fabrics - Part 2: Trouser shaped Specimens (Single Seam) Testing of Tear Strength GB/T 3920 Textiles - Tests for Color Fastness to Rubbing GB/T 3921-2008 Textiles - Tests for Color Fastness to Soap GB/T 3922 Textiles - Test Methods for Color Fastness to Sweat GB/T 3923.1 Textiles and Fabrics - Tensile Properties - Part 1: Determination of Breaking Strength and Elongation at Break, Strip Method GB 5296.4 Instructions for Use of Consumer Goods - Instructions for Use of Textiles and Clothing GB/T 5713 Textiles - Color Fastness to Water GB/T 6152-1997 Textiles - Tests for Color Fastness to Heat and Pressure GB/T 7573 Textiles - Determination of pH of Aqueous Extracts GB/T 8427-2008 Textiles - Tests for Color Fastness to Artificial Light - Preparation, Marking, and Measurement of Textile Specimens and Clothing in Tests for Determining Dimensional Changes GB/T 8629-2001 Textiles - Household Washing and Drying Procedures GB/T 8630 Textiles - Measurement of Dimensional Changes after Washing and Drying GB/T 14801 Testing methods for skewness and bow weft of woven and knitted fabrics GB/T 17592 Textiles - Determination of prohibited azo dyes GB 18383 General technical requirements for wadding fiber products GB 18401 National Basic Safety Technical Specification for Textile Products GB/T 24280-2009- Selection of maintenance symbols on textile maintenance labels FZ/T 01053- Identification of fiber content in textiles FZ/T 01057< All parts) Textile fiber identification test method FZ/T30003 Quantitative analysis method for hemp cotton blended products Microscopic projection method 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 problems100% 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 requiredTesting and testing characteristics:1. The testing industry is fully covered, meeting different testing needs 2. Fully cover the laboratory and allocate localized testing nearby3. 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
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