UV Absorber 329

Chemical Name: 2-(2'-Hydroxy-5'-tert-octylphenyl)benzotriazole

CAS NO.: 3147-75-9

Molecular Formula: C20H25N3O

Chemical Structure:

Technical Specification:

TITLE OF INDEX

Specification

Appearance

slight yellow powder

Purity (GC)

Min 99.0%

Volatile Matter

0.3%max

Melting Point

103-105℃

Light Transmittance

440nm

98%min

500nm

99% min

Applications: It is high-efficient light stabilizer, absorbing UV with low volatility, used in polystyrene, Perspex, polyester, Rigid PVC, polycarbonate, ABS resin, etc. It is quite fit for transparent products and engineering plastics processed in high-temperature. It has good cooperative effect when used with anti-oxidant to increase the resistance to climate and heat stability.

Package and storage: 25kg cardboard/ drum (inner with plastic) or according to customer's request. Avoid direct sunlight, moisture, high temperature. Testing required before use.

Company Info

Henan Wising Chem Co., Ltd