Akfix 647FC is a one-component, high-modulus polyurethane sealant that cures on exposure to atmospheric humidity. It possesses excellent adhesion to sheet iron, aluminum, stainless steel, lead, copper, ceramic, wood etc. Permanently flexible Non-sag consistency - Exceptionally thixotropic Non-sticky / does not pick up dirt No change in volume Easy to gun, can be easily smoothed Over-paintable
