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UV-928

Technical Datasheet | Supplied by MPI Chemie
UV-928 by MPI Chemie is benzotriazole-based UV light absorber. It dissipates the absorbed light energy from UV rays as heat by reversible intramolecular proton transfer. This reduces the absorption of UV rays by the polymer matrix and hence reduces the rate of weathering. For outdoor applications, UV-928 is combined with hindered amine light stabilizer such as LS-123 (for acid-catalyzed systems) or LS-292 (for 2K PUR).
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Product Type
Light Stabilizers / UV Absorbers > Benzotriazoles
Chemical Composition
2-(2-Hydroxyphenyl)-benzotriazole
CAS Number
73936-91-1
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