Transtar Euro Classic DTM Primer Activator 7357 is for use in the Transtar Euro Classic DTM Primer 7344 a 2K primer surfacer that can be applied directly to metal surfaces. It is quick drying and easy to sand wet or dry. It provides corrosion protection along with excellent fill and build properties. This unique primer provides improvements in productivity and reduces cycle times while providing significant labor and material savings. This primer can also be tinted using Transtar’s “Star Shade” system for a better match.