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China UV Absorber UV-328 - China Supplier
China UV Absorber UV-328 - China Supplier China UV Absorber UV-328 - China Supplier

UV Absorber UV-328

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-328

Chemical Name2-(2',5'-Di-tert-pentylphenyl)benzotriazole
Chemical FormulaC22H29N3O
Chemical Structure Diagram
CAS NO.25973-55-1
Molecular Weight351.5
Quality SpecificationsAppearanceLight yellow powder or cylindrical granules
Content≥99%(HPLC)
Melting Point79-87 oC
Ash Content≤0.1%
Volatile Matter≤0.5%
Transmittance460 nm≥96%   500 nm≥97%
Features and Applications
  1. This product is a highly effective UV absorber that efficiently absorbs ultraviolet light in the range of 270-340 nanometers;
  2. Its light stabilization performance is similar to UV-326 and UV-327, but it offers better compatibility with resins, lower thermal volatility, and higher wash resistance;
  3. This product is suitable for polymers such as polyolefins (especially polyethylene), polyesters, styrenic polymers, polyamides, polymethyl methacrylate, polycarbonate, elastomers, etc.
Recommended DosagePolystyrenePolyethylenePolyesterPolyvinyl ChloridePolycarbonate
0.2-0.5%0.2-0.4 %0.3-0.5%0.2-0.5 %0.15-0.3%
Packaging20KGcarton/fiber drum


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