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Coatings Ingredients
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Coatings Ingredients
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HXA UV-328

Technical Datasheet | Supplied by The Hanson Group
2-(3',5'-di-t-amyl-2'-hydroxyphenyl) benzotriazole. It belongs to the family of substituted benzotriazoles, which protect against ultraviolet radiation. HXA UV-328 has high solubility that makes it particularly useful for stabilizing coatings, polyolefins, styrenics and urethanes. Compared to other UV absorbers, HXA UV-328 is more solvent soluble, has better resin compatibility and wash fastness, is less volatile, and provides a degree of stabilization that is generally equal to or better than other members of the family. It is most suitable for protective coatings due to its non yellowing property during baking stage. Therefore, HXA UV-328 has been widely used in the area like thermoplastic urethane and related polyurethane, two-component epoxy, thermosetting acrylic enamel as well as photographic coating.
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Product Type
Light Stabilizers / UV Absorbers > Benzotriazoles
Chemical Composition
2-(3',5'-di-t-amyl-2'-hydroxyphenyl) benzotriazole
CAS Number
25973-55-1

Compatiblity with other products

Find products that are predicted to be compatible with HXA UV-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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