DESOPRIME® CA7521 Chrome Free Epoxy Primer
PPG Desoprime 7521 is an air-drying, epoxy, chromate free primer designed for both exterior applications and the protection of interior and structural parts of aircraft.
7521 is suitable for application direct to pre-treated aluminium alloy and can be overcoated with conventional or high solid topcoats.
• High solid, low VOC
• Excellent adhesion & chemical resistance
• Good flexibility
• Corrosion resistance
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