Fast-drying, pigmented, concrete primer for floors subject to heavy traffic requiring rapid recirculation, applicable on porous concrete in car parks, industrial floors, warehouses, loading docks etc., reinforces and blocks porous concrete substrates, has excellent adhesion, is compatible with old epoxy or polyaspartic resin bases, recoatable after 3 hours (at 20°C and RH 60%), which allows it to be put back into service after 12 hours, glossy finish, two-component polyaspartic, Class A+