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1.UV absorbent UV-P Can absorb ultraviolet radiation in band of 270-340nm
2.UV absorbent UV-P mainly used on plastics,rubber, paint,synthetic fiber.
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Chemical Name of UV Absorbent UV-P
2-(2'-Hydroxy-5'-methyl phenyl) benzotriazole
Molecular Formula： C13H11N3O
Molecular Weight： 225.3
CAS NO. ： 2440-22-4
Property of UV-P
UV light absorbers is light yellow powder. UV light absorbers can be dissolved in organic solvents such as
acetone,styrene, benzene and toluene while never be dissolved in water.
Characteristics of UV-P
This product can effectively absorb the ultraviolet radiation in band of 270-340nm and nearly never absorb
visible light. UV absorbing paint can be colored little in initial stage, is more suitable for colorless products
or products of light color.
Technial index of UV-P
|
item |
UNIT |
index |
|
Appearance |
|
yellowish crystalline powder |
|
Content |
% |
99.0min |
|
Melting Point |
°C |
128-132 |
|
Loss on drying(55±2°C) |
% |
0.5max |
|
Content of Ash |
% |
0.1max |
|
Light Transmittance(440nm) |
% |
97min |
|
Light Transmittance(500nm) |
% |
98min |
Applications of UV-P
It is widely used in PVC, PS, PC, PMMAPE, ABS resin, unsaturated polyester, araldite, natural
rubber and synthetic rubber. It can be also used in paint and synthetic fiber.
1.UV absorbent UV-P Can absorb ultraviolet radiation in band of 270-340nm
2.UV absorbent UV-P mainly used on plastics,rubber, paint,synthetic fiber.