Desofill™ CA8620GS sanding surfacer is a chromate-free, chemical and solvent resistant polyurethane surfacer. CA8620GS is designed to fill in irregularities and surface defects commonly experienced on aluminum, fiber glass and composite surfaces. CA8620GS has very good intercoat to polyurethane topcoats and epoxy primers.
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Compatible with corrosion resistant Desoprime™ HS primers and Desothane® HS topcoats
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Excellent Skydrol® resistance
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Requires a corrosion resistant primer when used over aluminum
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Service temperature -54°C to 177°C (-65°F to 350°F)
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