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UV Absorber 328

Technical DataSheet | Supplied by Disheng Technology

UV Absorber 328 is a 2-(2'-Hydroxy-3', 5'-di-tert-amylphenyl) benzotriazole by Disheng Technology. It acts as a highly efficient UV absorber that can absorb 270-340 nm UV light. It offers good dissolubility with the resins, low heat volatility and very good durability. UV Absorber 328 is compatible with polyolefin (especially PE), polyester, styrene polymers, polyamide, PMMA, PC and elastomers. The recommended dosage of UV Absorber 328 is 0.2-0.5% for PS, 0.2-0.4% for PE, 0.3-0.5% for polyester, 0.2-0.5% for PVC and 0.15-0.3% for PC.

UV Absorber 328 Product details

Product Type
Chemical Composition
CAS Number
Physical Form
Powder, Granule
Product Status
Applications/ Recommended for
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UV Absorber 328 Properties


Value & Unit
Test Condition
Test Method
Purity (HPLC)
xxxx %
Melting point
xxxxxxx °C
Ash content
xxxxx %
Loss on drying
xxxxx %
Transmittance @ 460nm
xxxx %
Transmittance @ 500nm
xxxx %
Last edited Jul 16, 2018
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