... : Has hardened, grinding of the old paint,YJ-682 di-component the priming, YJ-680 Single primer and all kinds of Primer, Has ... good hardness, good gloss, good resistance ,good hiding; Two-component, single-level system use in advanced bodywork painting make-up. Film ... .SubstrateHas hardened, grinding of the old paint, YJ-682 di-component the priming, YJ-680 Single primer and all kinds of Primer, ...