Rubber sheath testing agency, a third-party rubber sheath testing unit recognized by CMA, is selected as a national statutory third-party rubber sheath testing unit through National Union Quality Inspection. Our headquarters are located in Shanghai and we have our testing laboratories in Zhejiang, Shanghai, Beijing, Shandong, Hebei, Henan, Hunan, Hubei, Jilin, Jiangsu, and other places, Testing report nationally recognized. Testing and testing items. Before aging test: Determination of tensile strength and elongation at break. After air box thermal aging test: Determination of tensile strength and elongation at break. Hot extension test: Elongation under load, permanent deformation after cooling. Immersion test: Tensile strength after immersion in oil Elongation at break after immersion in oil Tear test: Tear strength Ozone resistance test: Surface change detection standard GB 7594.1-1987 Rubber insulation and sheath for electric wires and cables Part 1: General provisions GB 7594.2-1987 Rubber insulation and sheath for electric wires and cables Part 2: 65 ℃ Rubber insulation GB 7594.3-1987 Rubber insulation and sheath for electric wires and cables Part 3: 70 ℃ Rubber insulation GB 7594.4-1987 Rubber insulation and sheath for electric wires and cables Part 4 Classification: 65 ℃ General rubber sheath GB 7594.6-1987 Rubber insulation and sheath for electric wires and cables Part 6: 65 ℃ Heavy rubber sheath GB 7594.7-1987 Rubber insulation and sheath for electric wires and cables Part 7: 65 ℃ Heavy non combustible rubber sheath GB 7594.8-1987 Rubber insulation and sheath for electric wires and cables Part 8: 90 ℃ Rubber insulation GB 7594.9-1987 Rubber insulation and sheath for electric wires and cables Part 9: 85 ℃ General non combustible rubber sheath
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 problemsBaijian 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