Hostavin® VSU powder by Clariant is an oxalanilide-based UV absorber. It is characterized by its absolute colorlessness. It is low volatile polar substance with good heat stability. It is resistant to discoloration with metal ions, e.g. from polymerization catalyst residues, fillers or from contact surfaces. It absorbs the UV light especially in the UV-B range and is therefore a stabilizer of choice for combinations with optical brighteners and for UV curing systems. Hostavin® VSU powder is used in solventborne coatings, car refinish, UV curable and general industrial coatings. It has a shelf life of 3 years.
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Hostavin® VSU powder properties
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