Cement-based, quartz aggregated, one-component, ready-to-use, colored concrete surface hardener. It is a powder surface hardener applied to fresh concrete surfaces, consisting of cement, quartz, corundum and similar hard aggregates, chemical additives, special coloring pigment and polymer additives. It is a powder surface hardener applied to fresh concrete surfaces, consisting of cement, corundum and similar hard aggregates, chemical additives, special coloring pigment and polymer additives. Two-component, epoxy-based, solvent-free, light-filled primer for smoothing the surface and improving adhesion prior to the application of epoxy, polyurethane, polyurea and cement-based decorative floor coatings. Two-component, solvent-free, low-viscosity epoxy resin for self-leveling and multi-layer industrial flooring.