UV Absorber UV-234

Short Description:


Product Detail

Product Tags

Chemical Name: 2-(2H-Benzotriazol-2-yl)-4,6-bis(1-methyl-1-phenylethyl)phenol;
CAS NO.: 70321-86-7
Molecular Formula:C30H29N3O
Molecular Weight:448

Specification
Appearance :light yellow powder
Melting point : 137.0-141.0℃
Ash :≤0.05%
Purity:≥99%
Light transmittance: 460nm≥97%;
500nm≥98%

Application
This product is a high molecular weight UV absorber of the hydroxypheny benzotriazole class, showing outstanding light stability to a variety of polymers during its use.It is highly effective for polymers usually processed at high temperatures such as polycarbonate, polyesters, polyacetal, polyamides, polyphenylene sulfide, polyphenylene oxide, aromatic copolymers, thermoplastic polyurethane and polyurethane fibers, where loss of UVA is not tolerated as well as for polyvinylchloride, styrene homo- and copolymers.

Package and Storage
1.25kg carton
2.Stored in sealed, dry and dark conditions


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