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1. Product Overview UV absorber UV-329 is a high-efficiency benzotriazole UV light stabilizer. It selectively absorbs UVA/UVB ultraviolet rays in the range of 280–380 nm, featuring extremely low volatility, excellent thermal stability and weather resistance. It has excellent compatibility with various polymer materials, and is resistant to migration and blooming without affecting the transparency of finished products. It is suitable for high-temperature processing and long
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