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CHEMK UV-928

CHEMK UV-928 is UV absorber of the hydroxyphenyl benzotriazole class developed specially for high performance coating applications. Its characteristic broadband absorption provides efficient protection to coatings and light sensitive substrates. Its excellent solubility and high thermal and environmental permanence makes it particularly suitable for coatings exposed to high temperature curing processes.

CHEMICAL STRUCTURES:

CAS No.：73936-91-1

Physical Properties:

Appearance: Light yellow crystalline powder

Melting point: 109-113℃

Molecular weight: 441.6 g/mol

Application：

CHEMK UV-928 is recommended for temperature curing system, such as powder coatings, steel coil coatings.

● Automobile paint;

● Coil coating;

● Film coating;

● Powder coating;

CHEMK UV-928 can be used in combination with a light stabilizer and combinations provide best protection against light degradation.