UV-328
Product name: UV-328
CAS NO.: 25973-55-1
Chemical Composition: 2-(2'-hydroxy-3',5'-di-tert-amyl phenyl) benzotriazole
Description: Benzotriazole ultraviolet absorbent.
Features: Often used with hindered amine light stabilizers to improve the resistance of paint loss of light, pulverization, bubbles, delamination, color performance, more recommendation application in room temperature and low temperature curing coatings system.
Structure:
Molecular weight: 351
Softening point℃: uninvolved
Melting range ℃: 80-88
Density at 20℃: 1.17
Flash point ℃: uninvolved
Viscosity at 20℃: uninvolved
Product form: White-light yellow powder
Package: uninvolved
Properties: Apply to: automobile coatings, industrial coatings, wood coatings. Features: often used with hindered amine light stabilizers to improve the resistance of paint loss of light, pulverization, bubbles.
Recommended addition amount: 1.0%~3.0%, test to determine the specific amount according to the customer application.
Solubility at 20℃ ( g/100g solvent ):
|
Acetone |
12 |
Butyl acetate |
35 |
100# solvent oil |
>50 |
Water |
<0.01 |
|
Xylene |
>50 |
Propanediol methyl ether acetate |
13 |
Ethanol |
2 |
|
|
|
N-hexane |
27 |
Methyl n-pentanone |
35 |
Diethylene glycol butyl ether |
9 |
|
|
Application: Polyolefin,Adhesive,Elastomer,Coating,PU,POM,PVB,PVC
