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Adhesives Ingredients
The material selection platform
Adhesives Ingredients
by SpecialChem
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Chiguard® 328

Technical Datasheet | Supplied by Chitec Technology
HSP Distance with Chiguard® 5411: 1.3
Chiguard® 328 is an off-white, 2-(3',5'-di-t-amyl-2'-hydroxyphenyl) benzotriazole. Acts as a ultraviolet (UV) light absorber. Exhibits non-yellowing property (during baking stage). Is more solvent soluble & less volatile and possesses high solubility, better resin compatibility and washfastness than other substituted benzotriazoles. Suitable for polyolefins, styrenics, two-component epoxies and thermoplasic urethane and related polyurethane. Used in adhesives. Recommended use level ranges between 0.1% and 0.5%.
Product Type
Light Stabilizers / UV Absorbers > Benzotriazoles
Chemical Composition
2-(3',5'-di-t-amyl-2'-hydroxyphenyl) benzotriazole
CAS Number
SpecialChem additionnal informations based on CAS Number : 25973-55-1

Hansen Solubility Parameters

[18.2, 3.9, 3.7]
[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 Chiguard® 328. A practical determination of these HSP values would provide higher certainty. Learn More.

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