UV absorber UV-329 (UV-5411) CAS NO.: 3147-75-9

Lub npe tshuaj:2-(2'-hydroxy-5'-t-octylphenyl) benzotriazole

Chemical Structure:

Tshuaj Formula:C20H25N3O

Molecular Luj:323

CAS Nr .:3147-75-9

Specification:

Cov tsos mob: Dawb mus rau me ntsis yellowish crystalline hmoov los yog granule

Melting point: 103-107 ° C

Clarity ntawm kev daws (10g / 100ml Toluene): Clear

Xim ntawm kev daws (10g / 100ml Toluene): 440nm 96.0% min

(Kev sib kis): 500nm 98.0% min

Poob ntawm ziab: 0.3% max

Assay (los ntawm HPLC): 99.0% min

Qhov hnyav: 0.1% max

Daim ntawv thov:UV-5411 yog ib qho tshwj xeeb yees duab stabilizer uas ua tau zoo nyob rau hauv ntau yam polymeric systems: tshwj xeeb tshaj yog nyob rau hauv polyesters, polyvinyl chlorides, styrenics, acrylics, polycarbonates, thiab polyvinyl butyal.UV-5411 tshwj xeeb tshaj yog sau tseg rau nws qhov dav ntawm UV nqus, xim tsis tshua muaj, tsis muaj zog, thiab solubility zoo heev.Cov khoom siv kawg suav nrog molding, ntawv, thiab cov khoom siv glazing rau qhov rais teeb pom kev zoo, kos npe, marine thiab nws pib siv.Cov ntawv thov tshwj xeeb rau UV-5411 suav nrog cov txheej txheem (tshwj xeeb yog themosets uas tsis tshua muaj kev txhawj xeeb), cov khoom siv yees duab, sealants, thiab cov ntaub ntawv elastomeric.

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 polymer hnyav

Packing thiab Cia:

Pob: 25KG / CARTON

Cia: ruaj khov hauv cov cuab yeej, khaws qhov cua thiab kom deb ntawm dej thiab kub siab