- Company : Guangzhou Chengshuai New Material Co.,Ltd.
- Region : Guangdong , China
- Category : Chemicals > Other Chemical Auxiliaries
- Specification : 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%
- Quantity : 50MT
- Price : Negotiable
- Contact Person : David|||Sales Manager
- Telephone :
- Website : WWW.HHOCHEM.COM
- Email : [email protected]
- Update : Mar/26/2019
Product Details
Chemical name: 2-(2'-Hydroxy-5'-methylphenyl)benzotriazole CAS No.?2440-22-4 Molecular formular?C13H11N3O Molecular weight?225.3 Molecular structure Specification 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% Solubility (20?, g/100ml solvent) Acetone:3 Benzene:7 Butyl Acetate:3 Carbitol:2 Chloroform:13 Ethanol:0.2 Ethyl Acetate:3.5 n-Hexane:0.8 Cyclohexane:1 Methanol:0.2 Methylene Chloride:16 MEK:4 Styrene:7 Toluene:6 Water ?0.01 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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