TOPCOAT-PU 740 is a one-component, transparent, aliphatic, polyurethane topcoat. Based on hydrophobic polyurethane resins, it features excellent mechanical, chemical, thermal and weather resistance properties. TOPCOAT-PU 740 can be used as a sealing and protective coating forconcrete, screed, wood, stone, industrial floorings, stamped concrete, microcement coatings, interior decorative epoxy floorings, etc.
Substrate preparation
The substrate must be completely dry, clean, free of grease, loose particles, dust, etc.
Application
Before application,it recommended to gently stir TOPCOAT-PU 740, until it becomes homogeneous. Excessive stirring should be avoided in order to prevent air entrapment within its mass. TOPCOAT-PU 740 is applied with a brush, roller or spray in two layers. The second layer should be applied crosswise after 4-24 hours, depending on the weather conditions. Consumption: approximately 0,12-0,25 kg/m2. depending on the substrate. Tools should be cleaned with SM-28 solvent and while TOPCOAT-PU 740 is still fresh.