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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.
Product Type
Light Stabilizers / UV Absorbers
Chemical Composition
2-(2'-Hydroxy-3', 5'-di-tert-amylphenyl) benzotriazole
CAS Number
SpecialChem additionnal informations based on CAS Number : 25973-55-1

Hansen Solubility Parameters

[18.2, 3.7, 3.9]
[δD - Dispersion force interactions, δP - Polar force interactions, δH - Hydrogen bond force interactions]

Please note, these HSP values are estimations. It is based upon the “like seeks like” principle. It splits an ingredients interactions into three parameters; δD (Dispersion force interactions), δP (Polar forces interactions) and δH (Hydrogen bond force interactions). Hansen Solubility Parameters can help you find a wide range of products that are predicted to be compatible with UV Absorber 328. A practical determination of these HSP values would provide higher certainty. Learn More.

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