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

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福建帝盛科技有限公司
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  • Add:中国浙江省杭州市朝晖路203号深蓝广场708室, Zip: 310006
  • Contact: 潘先生
  • Tel:0571-85891093、88226505、85890191、88226608
  • Email:pxp@dishengchem.com

Other Products

UV Absorber UV-327

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UV Absorber UV-329

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
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Origin: China / Zhejiang / Hangzhoushi
Toocle

福建帝盛科技有限公司
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潘先生
Tel:0571-85891093、88226505、85890191、88226608
Send Inquiry Contact Info
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