UV ABSORBER UV P CAS NO.2440-22-4

Guangzhou Chengshuai New Material Co.,Ltd.

Chemical name: 2-(2'-Hydroxy-5'-methylphenyl)benzotriazole
CAS No.：2440-22-4
Molecular formular：C13H11N3O
Molecular weight：225.3

Appearance: White to yellowish crystal powder
Melting point，℃：128-132
Assay (HPLC), %: ≥99
Ash, %: ≤0.1
Volatility, %: ≤0.5
Light transmittance, %: 440nm≥94%
500nm≥97%

Application
UV ABSORBER HOSORB-UVP is a benzotriazole type ultraviolet light absorber (UVA). The max absorbing wavelength range is 270-380nm. It is widely used in a variety of polymers including polypropylene polycarbonate, polyethylene, polyurethane, unsaturated resin, ABS resin, epoxy resin, PMMA, PVC, elastomer, adhesive etc. It almost does not absorb visible light, especially for colorless and transparent products.

Packing
25kg/fiber drum; 25kg/carton, or as per customer’s request.


Storage
Containers should be kept tightly closed when not in use. Store it in a dry, cool, well-ventilated shady place.


Recommended Dosage
ABS resin : 0.3-0.5%
PVC : 0.2-0.5%
PP : 0.15-0.3%
PC : 0.15-0.3%
PS : 0.2-0.5%

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