UV Absorber TK-UV234
Chemical Name: 2-(2H-benzotriazole-2)-4,6-di(1-methyl-1-phenylethyl)phenol
CAS No.: 70321-86-7
Molecular Weight: 447.57
Product Form: White to light yellow granular crystalline powder
Melting Point: 137-141°C
Packaging Specifications: 20kg/25kg/500kg
Product Characteristics and Advantages
High molecular weight hydroxyphenylbenzotriazole UV absorber with excellent photostability to polymers.
Strong absorption of ultraviolet light in the 300-400nm range, with low absorption in the visible spectrum, especially in homopolymers and copolymers. Good thermal stability, low volatility, strong light absorption, and good compatibility with polymers.
FDA certified, suitable for use in food contact materials.
Good compatibility with many polymers, exhibiting synergistic effects when used in combination with hindered amine light stabilizers and most antioxidants.
Good heat stability.
Product Applications
TK-UV234 is suitable for polycarbonate, polyester, polyacetal, polyamide, as well as polyvinyl chloride, styrene monomers and copolymers. It can be used in molds, films, sheets, and fibers.
Packaging, Safety and Protection
Packaging is available in 20kg or 500kg bags, customizable. No special safety equipment is required. Store as a chemical in a cool, dry, and well-ventilated place, away from fire, heat sources, strong oxidizers, and strong reducing agents. It is recommended to take appropriate protective measures to avoid prolonged contact with the product. If it comes into contact with eyes or skin, rinse thoroughly with plenty of water. Shelf life is 12 months under suitable storage conditions.
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