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China UV Absorber UV-320 - China Supplier
China UV Absorber UV-320 - China Supplier China UV Absorber UV-320 - China Supplier

UV Absorber UV-320

Price:Negotiable
Industry Category: Chemicals/Catalysts & Additives/Anti-Aging Agents
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Contact Info
  • Add:中國(guó)浙江省杭州市朝暉路203號(hào)深藍(lán)廣場(chǎng)708室, Zip: 310006
  • Contact: 潘先生
  • Tel:0571-85891093、88226505、85890191、88226608
  • Email:pxp@dishengchem.com

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Description
Additional Information

UV AbsorberUV-320

Chemical Name2-(2',5'-Di-tert-butylphenyl)benzotriazole
Chemical FormulaC20H25N3O
Chemical Structure Diagram
CAS NO.3846-71-7
Molecular Weight323.4
Quality SpecificationsAppearanceLight yellow crystalline powder
Purity≥99%(HPLC)
Melting Point152-156 oC
Ash Content≤0.1%
Volatile Matter≤0.3%
Transmittance460 nm≥97%   500 nm≥98%
Features and Applications
  1. UV-320 is a highly efficient light stabilizer with strong UV absorption capacity and low volatility;
  2. It effectively protects polyesters and organic pigments from UV radiation, thereby preserving the original physical appearance of molded objects, films, fibers, etc., in outdoor conditions;
  3. Suitable for polymers such as polyvinyl chloride and unsaturated polyester.
Recommended DosagePolyvinyl ChlorideUnsaturated ResinPolyester
0.25-0.5 %0.2-0.4%0.3-0.5%
Packaging20/25KG carton/fiber drum


Industry Category Chemicals/Catalysts & Additives/Anti-Aging Agents
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Origin: China / Zhejiang / Hangzhoushi
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