Tus nqi zoo UV Absorber UV 988 CAS 6337-43-5
UV Absorber UV 988 yog hom phenylmethylene malonate uas tsis muaj xim thiab nqus tau lub teeb ultraviolet. Cov qauv ntawm cov khoom no ua rau nws nqus tau cov teeb UV muaj zog heev thiab ua lub luag haujlwm tiv thaiv lub cev, thaiv tau lub hnub ci ntawm cov txheej txheej txawm tias nyob rau hauv huab cua hnyav thiab qhov chaw siv hnyav xws li lub teeb taub hau tsheb, thiab ua rau lub teeb daj lossis xim ploj mus qeeb heev.
Khaws lub thawv kom kaw ruaj. Tsis txhob noj thiab ua pa.
25KG thawv los yog raws li cov neeg siv khoom xav tau
| YAM KHOOM | INDEX |
| Qhov tsos | Hmoov daj daj |
| Kev ntsuas,% | ≥ 99 |
| Melting Point (℃) | 137.00 ~ 139.00 ℃ |
| Tshauv,% | ≤0.10 |
| Tsis ruaj khov,% | ≤0.50 |
| Kev Sib Kis (%): 425nm | ≥ 96.00 |
| Kev Sib Kis (%): 500nm | ≥ 98.00 |
| * Ntxiv rau: Lub tuam txhab tuaj yeem tshawb nrhiav thiab tsim cov khoom tshiab raws li qhov xav tau tshwj xeeb ntawm peb cov neeg siv khoom. | |
Sau koj cov lus ntawm no thiab xa tuaj rau peb
