PS-Grunt — polyurethane primer for concrete and asphalt concrete floors
One-component moisture-curing polyurethane primer for KRASKO enamels and self-levelling floors; hardens and dustproofs the substrate.

The accelerated version of Epoksol-2MS primer is designed for fast repair of concrete floors at operating sites — food and pharmaceutical production, car parks, warehouses and hangars. The finish coat of Epolast SPRINT, Epolast, Polimerstoun-2 or another compatible compound goes on after 2–2.5 h, and the primer can be walked on after 4 h. The primer also holds on non-absorbent substrates — ceramic tiles and epoxy coatings; adhesion to concrete is at least 2.5 MPa, solids at least 97 %.
| Manufacturer | KRASKO — OOO “NPO KRASKO”, Moscow Region |
|---|---|
| Type | floor primers |
| Use | production halls, warehouses and logistics, car parks and ramps, food and pharmaceutical, retail and public |
| Base | Two-component epoxy primer: modified epoxy resin with functional additives; free of aromatic solvents |
| Colour | Semi-gloss (gloss at 60° at least 36 GU); milky beige |
| Packaging | 25 kg |
| Application method | Primer for Epolast SPRINT, Epolast, Epoksipol-2 “COMFORT”, Remosil, Polimerstoun-2, Teksipol-2 Ekspert “DECOR” (UV), Teksipol-2 Ekspert “Bystry Pol”. Substrate: compressive strength at least 20 MPa, pull-off strength at least 1.5 MPa, moisture not more than 4 %; grinding. No thinning; trowel, brush, fur roller; 1 coat; finish coat 2–2.5 h after priming at (20±2) °C. Adheres to non-absorbent substrates (ceramic tiles, epoxy coatings). |
| Application temperature | not below +5 °C |
| Curing | Drying to degree 3 at 20 °C — not more than 2 h; foot traffic — after 4 h; primer coat in service — after 6 h |
| Key properties | Solids by volume at least 97 %; Brookfield viscosity 5000–10000 mPa·s; pot life at least 20 min; adhesion to concrete at least 2.5 MPa; pendulum hardness at least 0.50; gloss at 60° at least 36 GU; resistance to petrol and water at least 72 h |
| Consumption | 250–400 g/m² (theoretical; depends on the type and grade of concrete, working and substrate temperature) |
| Shelf life | 12 months from the date of manufacture; storage from −10 °C to +35 °C |
| Standards | preparation to SP 29.13330.2011 and SP 71.13330.2017 |
Data from the manufacturer’s technical data sheet. The coating system, number of coats and quantity are selected for your project on request.
One-component moisture-curing polyurethane primer for KRASKO enamels and self-levelling floors; hardens and dustproofs the substrate.
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