Scope

This standard specifies the terms and definitions, classification and identification, technical requirements, test methods, inspection rules and markings, packaging, transportation, and storage requirements for chlorine resistant spandex filament This standard is applicable to chlorine resistant spandex filaments with a linear density of 15.0 dtex~311.0 dtex The following documents are essential for the application of this document. For dated references, only the dated version applies to this document. For undated references, the latest version (including all modification orders) applies to this document GB/T 2828.1-2012 Sampling Procedures for Inspection by Attributes Part 1: By Acceptance Quality Limit (AQL) Retrieved Batch by Batch Inspection Sampling Plan

GB/T 3291.1 Textile Materials - Performance and Testing Terminology - Part 1: Fibers and Yarns

GB/T 3291.3 Textile Materials - Performance and Testing Terminology - Part 3: General

GB/T 4146.1 Textile Chemical Fibers - Part 1: Generic Names

GB/T 4146.3 Textile Chemical Fibers - Part 3: Inspection Terminology

GB/T 6502 Chemical Fiber Filament Sampling Method

GB/ T 6504 Test Method for Oil Content of Chemical Fibers

GB/T 6505-2008 Test Method for Thermal Shrinkage of Chemical Fibers Filament

GB/T 8170 Rules for Rounding off Values and Representation and Judgment of Limit Values

FZ/T50005-2013 Test Method for Linear Density of Spandex Filament

FZ/T 50006 Test Method for Tensile Properties of Spandex Filament

FZ/T 50007 Elasticity Test Method for Spandex Filament

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