Chemical Name: 2-(2H-benzotriazol-2-yl)-4,6-ditertpentylphenol

CAS No.: 25973-55-1

Chemcial Structure:

Appearance: Light yellow powder

Assay: ≥99%

Package: 25KG Carton


BIOSORB® 328 is a highly effective light stabilizer for a variety of plastics and other organic substrates.BIOSORB® 328 features strong UV absorption, low initial color, excellent compatibility in a wide variety of substrates, good solubility in plasticizers and monomers, and moderately low volatility. It protects polymers as well as organic pigments from UV radiation, helping to preserve the original appearance and physical integrity of molded articles, films, sheets, and fibers during outdoor weathering. It is recommended for the stabilization of styrene homo- and copolymers, acrylic polymers, unsaturated polyesters, polyvinylchloride, polyolefins, polyurethanes, polyacetals, polyvinyl butyral, elastomers, and adhesives.

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