UV Absorber UV-320

Tsanangudzo Pfupi:

Uv-320 inonyatsoshanda chiedza stabilizer, iyo inoshandiswa zvakanyanya mumapurasitiki nezvimwe zvinhu, kusanganisira unsaturated polyester, PVC, PVC plasticizers, nezvimwewo kunyanya mu polyurethane, polyamide, synthetic fibers uye resin ane polyester uye epoxy.


Product Detail

Product Tags

Chemical Name:2-(2H-benzotriazol-2-yl)-4,6-di-tert-butylphenol
CAS NO.:3846-71-7
Molecular Formula:C20H25N3O
Molecular Weight:323.4

Tsanangudzo

Kuonekwa: light yellow powder
Zviri mukati: ≥ 99%
Kunyungudika: 152-154°C
Kurasikirwa pakuomeswa: ≤ 0.5%
Madota: ≤ 0.1%
Chiedza chekufambisa: 440nm≥97%,500nm≥98

Toxicity: yakaderera chepfu, rattus norvegicus mumuromo LD 50> 2g/Kg uremu.

General dosage:

1.Unsaturated Polyester: 0.2-0.5wt% zvichienderana nehuremu hwepolymer
2.PVC:
Yakasimba PVC: 0.2-0.5wt% zvichienderana nehuremu hwepolymer
Plasticized PVC: 0.1-0.3wt% zvichienderana nehuremu hwepolymer
3.Polyurethane: 0.2-1.0wt% zvichienderana nehuremu hwepolymer
4.Polyamide: 0.2-0.5wt% zvichienderana nehuremu hwepolymer

Package uye Kuchengeta

1.25kg katoni
2.Yakachengetwa munzvimbo dzakavharwa, dzakaoma uye dzakasviba


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