Tinuvin® 329 by BASF is chemically 2 Phenol, 2-(2H-benzotriazol-2-yl)-4-(1, 1, 3, 3-tetramethylbutyl) grade. It acts as a UV absorber belonging to hydroxyphenyl benzotriazole class.
- It is an effective light stabilizer for a variety of plastics and other organic substrates.
- Protects polymers from UV radiation, helping to preserve the original appearance and physical integrity of molded articles, films, sheets, and fibers during outdoor weathering.
- Use levels of Tinuvin® 329 ranges between 0.1 and 1.0%, depending on substrate and performance requirements of the final application.
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Tinuvin® 329 properties
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| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
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