RMP PowerFill Plus 2K Primers are high build direct-to-metal applied primers that provide ease of use from mixing to spraying to sanding. RMP Primers have fast cure response in both air dry and baked applications. Products provide excellent sag resistance and leveling providing reduced effort in finishing over any size of repair area. Can be applied directly to galvanized, aluminum and steel alloys, OEM finishes, plastics, fiberglass, SMC and body filler with excellent adhesion and corrosion prevention. Can also be used on flexible parts with DF21 Flex Agent.