Polypropylene is a polymer formed by the addition reaction of propylene. It is a white waxy material with a transparent and lightweight appearance. The chemical formula is (C3H6) n、 with a density of 0.89~0.91g/cm3. It is flammable、 has a melting point of 189 ℃、 and softens at around 155 ℃. The temperature range for use is -30~140 ℃. It can withstand corrosion from acids、 alkalis、 salt solutions、 and various organic solvents below 80 ℃、 and can decompose under high temperature and oxidation. Polypropylene is widely used in the production of fiber products such as clothing and blankets、 medical equipment、 automobiles、 bicycles、 parts、 transportation pipelines、 chemical containers、 and also in food and drug packaging P>
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 problemsinspection 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