Clovaprime 21 is a heavy duty, high performance polyamide epoxy primer with a long pot life that provides excellent corrosion resistance over both properly and marginally prepared steel. This rust inhibitive epoxy primer provides excellent weathering and chemical resistance as well as staying flexible even as it ages.  Clovaprime 21 has a low gloss and should be used wherever a long recoat window is needed. Outstanding adhesion and application characteristics make Clovaprime 21 a great option for most substrates and projects that require an epoxy primer.