... resistant coating 2.Pencil hardness 3.good color matching 4.ISO certificate Wear Resistant Epoxy Floor Coating Features:Dust-proof, waterproof, mold-proof, chemical resistant, wear-resistant ... press after 72 hours. (standard with 25°C, opening time should be delay when low temperature ... % NaOH, 48h)No blister, no drop, allow light discoloracid resistance(10% H2SO4, 48h)No blister, no drop, allow light ...