heat flux flame application but at the same time soft enough for topcoat to adhere to it the primer composition does not decompose when subjected to open flame nor catch fire when exposed to flame it cures quickly to lock topcoat polyeolefin in its place and prevents dimensional deformation example i comparative low temperature cure composition resin part a bis a epoxy epon 828 u2212 73 8 epoxy diluent cge u2212 8 4 epodil l u2212 12 2 byk070 u2212 0 3 byk341 u2212 0 3 methanol u2212 4 0 hardener part b amidoamine ancamine 502 u2212 70 aliphatic amine ancamine 1608 u2212 8 accelerator amine versamine 645ce u2212 7 modified amine versamine 641 u2212 15 cge is cresyl glycidyl ether epodil l is obtained from neville corporation all byks are from byk chemie usa a the resin and hardener were mixed in a 1 1 ratio by weight and applied on sand blasted steel as a flame activated primer u02dc 1 3 mil immediately pf113 formulated poly ethylene methacrylic acid emaa was flame sprayed as topcoat the flame temperature was controlled around 400 f the primer started burning and decomposed the bond to the topcoat was poor b fire retardants were added to the resin 0 5 sb 2 o 3 and 1 5 zno by weight and to the hardener 1 bt 93 supplied by albemarle the modified resin and hardener were mixed 1 1 by weight and applied on sand blasted steel as a primer u02dc 1 3 mil pf113.