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BIRSS Kharts — epoxy primer for polymer floors
BIRSS

BIRSS Kharts — epoxy primer for polymer floors

Floor primers

This clear two-component primer serves as the first coat in the Multipol, Leytpol, Terrazzo and other BIRSS polymer floor systems. The viscosity of the compound is 0.3 Pa·s; mixed with quartz sand, Kharts becomes a binder for repair and filler compounds. It is applied to a substrate at +15…+30 °C with moisture not more than 4 %; Shore D hardness 75, service range −30…+80 °C.

Specifications

ManufacturerBIRSS — AO “Opytny Zavod Sukhikh Smesey”, Moscow
Typefloor primers
Useproduction halls, chemically resistant, food and pharmaceutical, car parks and ramps, warehouses and logistics, retail and public
Basetwo-component unpigmented epoxy compound with reduced solvent content
Colourclear (unpigmented)
Packagingmetal pails, kit (A+B) 15 kg (20 kg also listed in the catalogue)
Application methodprimer coat for epoxy and polyurethane floors; mixed with quartz sand — repair and filler compounds
Application temperaturesubstrate +15…+30 °C (3 °C above the dew point); substrate moisture not more than 4 %
Curinglight loads after 12 h; further work after 24 h; foot traffic after 3 days; full cure after 7 days
Key propertiesspecific gravity 1.1 ± 0.05 g/cm³; viscosity 0.3 Pa·s; pot life at least 40 min; Shore D hardness 75; bond to concrete at least 3.5 MPa; service temperature −30…+80 °C (wet exposure up to +40 °C)
Consumption0.2–0.4 kg/m² — primer coat; 0.6–0.7 kg/m²/mm — binder for repair and filler compounds
Shelf lifenot more than 12 months in closed original packaging; protect from sunlight, heat and freezing
StandardsTU 2257-018-05668056-01 with amendments No. 1, No. 2

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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