UV-329

Chemical Name

2- (2'-Hydroxy-5'-tert-octylphenyl)benzotriazole 

Formula

C₂₀H₂₅N₃O

Structure

CAS NO.

3147-75-9

Molecular Weight

323.4

Specifications

Appreance

White powder

Purity

≥99%(HPLC)

Melting Point

103-105.3^oC

Ash

≤0.1%

Loss On Drying

≤0.3%

Transmittance

  440 nm≥97%   500 nm≥98%

Advantage and

Application

1. This product is an excellent high-efficiency, aging-preventing agent, which can effectively absorb 270-380 nm UV light.

2. Non-flammable, non-explosive, non-toxic, harmless to health.

3. This product almost does not absorb visible light, particularly applicable to colorless and light-colored products.

4. This product is suitable for polyester, rigid PVC, PS, PMMA, PC, ABS resin, etc. It effects better in a transparent products and engineering plastics under high temperature processing. This product can also be used for polyolefin.

Recommended

 dosage

PS

ABS

PE

PVC

Polyester

0.2-0.5%

0.3-0.5%

0.2-0.4 %

0.2-0.5 %

0.3-0.5%

Package

20KG cartons or drum