TINUVIN 234
TINUVIN 234
Tinuvin 234 is a high molecular weight ultraviolet light absorber (UVA) of the hydroxyphenyl benzotriazole class, imparting excellent light stability to a variety of polymers.
Applications
Tinuvin 234 is highly effective for polymers processed at high temperatures such as polycarbonates, polyalkylene terephthalates, polyacetals, polyamides, polyphenylene sulfide, polyphenylene oxide, aromatic copolymers, thermoplastic polyurethane and polyurethane fibers, as well as for polyvinylchloride, styrene homo- and copolymers. Applications include molded articles, films, sheets and fibers.
Features & Benefits
Tinuvin 234 features low volatility, exceptional light absorbing characteristics and good compatibility in various substrates. This makes the product particularly suitable for applications characterized by high surface area, such as films and fibers.
Properties
| Physical Properties | Value |
| Melting Range | 137 – 141°C |
| Flashpoint | >150°C |
| Vapor Pressure (25°C) | ~2 E-10 Pa |
| Specific Gravity (20°C) | 1.22 g/ml |
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