UV Absorber UV-234 for Pet Plastic

• CAS No.: 70321-86-7
• Formula: C30h29n3o
• EINECS: 274-570-6
• Color: Light Yellow
• Kind: UV Absorber
• Appearance: Powder
• Model NO.: CAS NO. 70321-86-7
• Storing: Sealed, Dry and Dark Conditions
• Transport Package: 25kg Carton
• Specification: powder
• Trademark: DEBORN
• Origin: China

Product Description

Synonyms:2-(2-Hydroxy-3,5-di-a-cumylphenyl)-2H-benzotriazole
Molecular Formula  C30H29N3O
Molecular Weight   448
Structure


CAS Number   70321-86-7

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

Applications:
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