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GC UV-329

Technical Datasheet | Supplied by GreenChemicals SPA
GC UV-329 is a 2-(2H-benzotriazole-2-yl)-4-(1,1,3,3,-tetramethylbutyl)phenol by GreenChemicals. It acts as an ultraviolet light absorber & as an effective light stabilizer. It is recommended for plastics and other organic substrates. It offers protection for polymers from UV radiation. It helps to preserve the original appearance and physical integrity of molded articles, films, sheets and fibers during outdoor weathering. It can be used alone or in combination with other additives such as light stabilizers (hindered amines), antioxidants and other functional stabilizers and additives. The dosage level of GC UV-329 grade is 0.1-1.0%.
Product Type
Light Stabilizers / UV Absorbers > Benzotriazoles
Chemical Composition
CAS Number
Physical Form
Slightly yellow
Product Status
Applications/ Recommended for
Fibers/ Textiles/ Carpets

GC UV-329 Properties


Value & Unit
Test Condition
Test Method
1.18 g/ml
Melting point
102 - 108 °C
Ash content
< 0.1 %

Compatiblity with other products

Find products that are predicted to be compatible with GC UV-329.

This list of compatible products is generated out of estimated HSP values. A practical determination of these HSP values would provide higher certainty.
Learn more about Hansen Solubility Parameters (HSP) and their use in predictive formulation.

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