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PS-Grunt — polyurethane primer for concrete and asphalt concrete floors
KRASKO

PS-Grunt — polyurethane primer for concrete and asphalt concrete floors

Floor primers

PS-Grunt prepares concrete and asphalt concrete floors for polyurethane and epoxy finishes — Polimerstoun-1, Polimerstoun-2, Polimerstoun-2 SLIM, Epolast and Teksipol-2 Ekspert compounds. The primer improves adhesion of the finish coat, strengthens and dustproofs the substrate, and can itself serve as a dustproofing coating. It is applied in two passes at +10…+30 °C and is resistant to fuels and lubricants, metalworking fluids and temperature fluctuations; walking is allowed after 12 h.

Specifications

ManufacturerKRASKO — OOO “NPO KRASKO”, Moscow Region
Typefloor primers
Useproduction halls, warehouses and logistics, car parks and ramps
BaseOne-component polyurethane primer; prepolymer based on aromatic isocyanate; cures with air moisture
ColourGloss; colour not specified
Packagingper the description — 20 l container and by agreement with the customer
Application methodPriming of concrete and asphalt concrete floors before Polimerstoun-1, Polimerstoun-2, Teksipol-2 Ekspert “Bystry Pol” (Fast Floor), Teksipol-2 Ekspert “Decor” (UV), Polimerstoun-2 SLIM (UV), Epolast; also as a dustproofing, strengthening coating. Concrete moisture not more than 4 %, waterproofing under the substrate, substrate temperature 3 °C above the dew point. Usually without thinning (for deeper penetration — R-universal, xylene, solvent naphtha). Brush, roller, spray gun, airless spraying; 2 passes; second coat after 8–12 h at not below +20 °C and humidity of at least 60 %; finish coat after about 12 h, but no later than 72 h.
Application temperatureair from +10 °C to +30 °C; substrate 3 °C above the dew point
CuringDrying to degree 3 at (20±2) °C and humidity of at least 60 % — not more than 24 h; foot traffic — after 12 h; as a dustproofing coating — service properties after 3 days (20 °C, humidity at least 60 %)
Key propertiesNon-volatile content by weight 28–32 %; density 0.93–0.95 g/cm³; viscosity by VZ-246 cup (2 mm nozzle) 40–60 s; resistance to water and mineral oil at least 72 h, to petrol at least 24 h; service temperature from −50 °C to +80 °C
Consumption0.2 kg/m² per pass on a smooth non-porous surface (2 passes); consumption can be increased for porous surfaces
Shelf life6 months from the date of manufacture; storage from −30 °C to +25 °C
StandardsTU 20.30.12-002-01524656-2017; preparation to SP 71.13330.2017 and SP 29.13330.2011

Data from the manufacturer’s technical data sheet. The coating system, number of coats and quantity are selected for your project on request.

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