UV Absorber UV-320

Lus piav qhia luv luv:

Uv-320 yog lub teeb stabilizer zoo heev, uas yog siv dav hauv cov yas thiab lwm yam organics, nrog rau cov tsis muaj polyester, PVC, PVC plasticizers, thiab lwm yam tshwj xeeb tshaj yog nyob rau hauv polyurethane, polyamide, hluavtaws fibers thiab resins nrog polyester thiab epoxy.


Product Detail

Khoom cim npe

Lub npe tshuaj:2-(2H-benzotriazol-2-yl)-4,6-di-tert-butylphenol
CAS Nr.:3846-71-7 ib
Molecular Formula:C20H25N3O
Molecular Luj:323.4 ib

Specification

Cov tsos mob: lub teeb daj hmoov
Cov ntsiab lus: ≥ 99%
Melting point: 152-154 ° C
Poob ntawm ziab: ≤ 0.5%
Ntshiab: ≤ 0.1%
Lub teeb transmittance: 440nm ≥97%,500nm ≥98

Toxicity: Tsawg toxicity, rattus norvegicus qhov ncauj LD 50> 2g / Kg qhov hnyav.

General dosage:

1.Unsaturated Polyester: 0.2-0.5wt% raws li qhov hnyav ntawm polymer
2.PVC:
Rigid PVC: 0.2-0.5wt% raws li qhov hnyav ntawm polymer
Plasticized PVC: 0.1-0.3wt% raws li qhov hnyav ntawm polymer
3.Polyurethane: 0.2-1.0wt% raws li qhov hnyav ntawm polymer
4.Polyamide: 0.2-0.5wt% raws li qhov hnyav ntawm polymer

Pob thiab Cia

1.25kg thawv
2.Khaws rau hauv qhov chaw kaw, qhuav thiab tsaus


  • Yav dhau los:
  • Tom ntej:

  • Sau koj cov lus ntawm no thiab xa tuaj rau peb