Tinuvin® 928

2-(2H-Benzotriazol-2-yl)-6-(1-methyl-1-phenylethyl)-4-(1,1,3,3- tetramethylbutyl)phenol. Acts as a UV absorber of the hydroxyphenyl benzotriazole class.

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Chemical Composition

2-(2H-Benzotriazol-2-yl)-6-(1-methyl-1-phenylethyl)-4-(1,1,3,3-tetramethylbutyl)phenol

Advantages
  • efficient protection to coatings and light sensitive substrates
  • best protection against gloss reduction, cracking, blistering, delamination and color change
Other Applications

hotmelt adhesives
reactive adhesives
solvent based adhesives
radiation curing adhesives
sealants
automotive coatings
powder coatings
coil coatings

Technical data

Quantity Value Unit Comment
Appearance Properties
Physical state powder
Physical Properties
Solubility >30 g/100 g , 20°C butylacetate
Solubility g/100 g , 20°C butanol
Solubility g/100 g , 20°C butyldiglycol
Molecular weight 441.6 g/mol
Solubility g/100 g , 20°C butylglycolacetate
Solubility g/100 g , 20°C ethylglycolacetate
Solubility g/100 g , 20°C methoxypropylacetate
Thermal Properties
Melting point 109 - 113 ºC

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