25973-55-1 For polyolefins ps abs pom pmma pa pvc epoxy adhesive UV 328 absorber

 

GO YEN Chemical Industrial (GYC group) is in the leading position of fine chemicals in Asia, with our professional & strong R&D capacity, that have already exported to more than forty countries in five continents

 

PRODUCT NAME: GOYENCHEMUV-328

 

CHEMICAL STRUCTURE:

 

Introduction:

 

GOYENCHEMUV-328  is an excellent UV absorbent . It is benzotriazole type absorbent and can absorb 300-400 nm wavelength to protect macromolecular compounds.

It can be used in high polymer. And it prevent from yellowing,

brittle and chapping effectively. At same time, it also has

excellent solubility , especially suitable for paint ,coating,

powder coating and sponge…etc.

 

 

Physical properties:

 

      

Appearance	lemon yellow crystal powder
Melting Point	80-88℃
Specific Gravity	1.17
Purity	99%

 

 

Acetone	6
Methanol	16
Chloroform	44
n-Hexane	16
Ethylacetate	16

 

Application:

1. Highly effective UV absorber
2. Perfect anti-yellowing and light stability
3. Best solution for polyester, thermoplastic urethanes, polyurethanes.
4. Various kinds of wood based coating
5. Various kinds of exterior, interior paint, and powder coating, Epoxy
6. resin, adhesive, car coating, PU. PE, PVC, ABS, ACRYLIC ,EVA....etc

 

 

Suggestion dosage:

 

• For PU foaming: mixing with GOYENCHEM-1268 for bout 0.5-2%.
• For excellent & stable effect toward TPU and PU Leather: mixing with GOYENCHEMUV-765 for about 0.3-1%
• For Coating, powder coating for about 1-2%