Cotton yarn is pided into bleached cotton yarn, whitened cotton yarn, and natural color cotton yarn. The so-called natural color cotton yarn is a cotton yarn that has only undergone scouring and degumming (pectin on the cotton fiber) with a slight hint of dark yellow color, and has not undergone oxidation bleaching and whitening agent. Today, BAIJIAN will introduce relevant testing knowledge to everyone. BAIJIAN provides authoritative and effective testing reports, mainly covering food, agricultural products, environmental soil, environmental protection, industry standard training, retail services, etc., providing convenient testing services for you. If you need it, you can contact us. Analysis items of testing items: composition analysis, unknown object analysis, material identification, failure diagnosis analysis, comparative analysis, material thermal analysis, qualitative and quantitative analysis, return material analysis, etc; Routine testing: quality, content, tension, count, defects, breakage (single yarn breaking strength and elongation at break), density (linear density, bulk density), strength, moisture content, oil content, twist, color fastness, etc

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