... substrate material : Has hardened, grinding of the old paint,YJ-682 di-component the priming, YJ-680 Single ... and durable.SubstrateHas hardened, grinding of the old paint, YJ-682 di-component the priming, YJ-680 ... and other impuritiesMixing ratio<18°C2k-Solid Colour paint 100 parts,YJ-601/710 Quick Drying Hardener ... of total weight25°C-30°C2k-Solid Colour paint 100 partsYJ-602/720 Standard Hardener 50 ...