High quality UV Absorber UV BP 3 CAS 131-57-7
Cov khoom no yog ib hom dav-spectrum UV absorber, tus cwj pwm los ntawm A siab nqus tus nqi, tsis muaj tshuaj lom, tsis muaj cov nyhuv teratogenic, kho qhov muag, thermal stability yog zoo tos kom zoo dua, nws kuj tuaj yeem nqus tau uv-a thiab UV-B. , tau pom zoo los ntawm FDA Ⅰ hom tshuaj pleev thaiv hnub, siv zaus ntau dua hauv Tebchaws Meskas thiab Europe, dav siv hauv cov tshuaj pleev thaiv hnub, qab zib, zib ntab, latex, roj thiab lwm yam tshuaj pleev thaiv hnub tshuaj pleev ib ce, kuj tuaj yeem siv los ua cov tshuaj pleev thaiv hnub tsis zoo thiab discoloration khoom tus neeg sawv cev.
25KG Nruas los yog raws li cov neeg siv khoom xav tau
| Yam khoom | INDEX |
| Qhov tshwm sim | daj ntseg ntsuab daj crystalline hmoov |
| Assay | 97.00 - 103.00% |
| Melting point | 62.00-72.00 ℃ |
| Volatile | 0.50% max |
| Heavy hlau (Pb) | 5.00ppm max |
| Tshwj xeeb Extinction (1%, 1cm) | E288nm: 630.00 min; E325nm: 410.00 min |
| * Ntxiv rau: Lub tuam txhab tuaj yeem tshawb fawb thiab tsim cov khoom tshiab raws li qhov tshwj xeeb xav tau ntawm peb cov neeg siv khoom. | |
Sau koj cov lus ntawm no thiab xa tuaj rau peb
