Scope

This standard specifies the terms and definitions, classification and identification, technical requirements, test methods, inspection rules, marking, packaging, transportation, and storage requirements of nylon 66 bulky filament (BCF) This standard is applicable to natural color network nylon 66 bulky filament with a linear density of 800 dtex~2000 dtex, three leaf cross-section, glossy, semi dull, and 1/4 dull This standard is applicable to natural color twisted and shaped nylon 66 bulky filament with a linear density of 2000 dtex to 3600 dtex, three leaf section, glossy, semi matte, and 1/4 matte Other types of nylon 66 bulky filaments can be used as reference 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 250 Textiles - Color Fastness Testing - Grey Sample Card for Evaluating Discoloration

GB/T 2828.1-2012 Sampling Procedures for Inspection by Attributes - Part I: 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 Fibers Filament Sampling Method

GB/T 6503 Chemical Fibers

Test method for moisture regain of fibers

GB/T 6504-2008 Test method for oil content of chemical fibers

GB/T 6505 Test method for thermal shrinkage of chemical fiber filaments

GB/T 8170 numerical rounding rules and expression and judgment of limit values

GB/T 14343 Test method for linear density of chemical fiber filaments

GB/T 14344 Test method for tensile properties of chemical fiber filaments

GB/T 14345 Twist of chemical fiber filaments Test Method

FZ/T50001 Synthetic Fiber Filament Network Degree Test Method

FZ/T 50008 Nylon Filament Dyeing Uniformity Test Method

FZ/T50027 Chemical Fiber Titanium Dioxide Content Test 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 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