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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
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

Compatiblity with other products

Find products that are predicted to be compatible with Chiguard® 328.

This list of compatible products is generated out of estimated HSP values. A practical determination of these HSP values would provide higher certainty.
Learn more about Hansen Solubility Parameters (HSP) and their use in predictive formulation.

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