Primers and Surface Activators Primer 100 Improves adhesion on porous substrateBlocks capillaries in substrateCan be covered after 1hr Primer 150 Improves adhesion on porous substrateBlocks capillaries in substrateCan be covered after 1hr Surface Activator Improves adhesion on non porous substratesReady to use and very user friendlyFast drying process Activator Spray 601 Improves adhesion on non porous substratesDries transparentlyLow consumption