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Elakor-PU Grunt — impregnating polyurethane primer for concrete
ELAKOR

Elakor-PU Grunt — impregnating polyurethane primer for concrete

Floor primers

The base primer of the range is a transparent amber liquid that cures by air moisture and impregnates concrete, sand concrete, terrazzo, tile, brick and stone. Under polyurethane coatings it is applied until the surface looks like wet concrete, and as a stand-alone protective impregnation until a uniform sheen is reached. According to the technical data sheet, the primer is additionally certified for food and pharmaceutical plants and for children’s and healthcare institutions; adhesion to concrete is 6.2 MPa, fire hazard class KM1.

Specifications

ManufacturerElakor — OOO “TEOKHIM-PROM”, Moscow Region
Typefloor primers
Useproduction workshops, warehouses and logistics, car parks and ramps, retail and public premises, food and pharmaceutical, wet rooms
Baseone-component moisture-curing polyurethane impregnating primer; composition: urethane prepolymers, organic solvents, functional additives
Colourtransparent amber liquid; film transparent, amber
Packagingmetal pail 20 kg; drum 200 kg
Application methodPriming of floors, walls, ceilings and structures under any polyurethane coatings; stand-alone protective impregnation. Substrates: concrete, sand concrete, terrazzo, concrete tile, cement self-levelling floors, stone, slate, brick; wood, plywood, cement-bonded particleboard, particleboard. Rollers, brushes, airless spraying; under a coating 1-2 coats until it looks like wet concrete, as an impregnation 2-3 coats until a uniform sheen. Surface moisture not more than 4 wt%, relative air humidity not more than 80%.
Application temperatureair and surface: from minus 30°C to +25°C; primer temperature: from +10°C to +20°C
Curingdrying time to degree 3 at +20°C – not more than 6 h; drying between coats 3-8 h depending on temperature and humidity
Key propertiessolids content at least 45%; viscosity (VZ-4 cup) at +20°C not more than 21 s; density 0.98 kg/l; service temperature range from -60°C to +120°C (up to 30 min – up to +180°C); water absorption not more than 0.1%; ultimate film tensile strength (shear) at least 65 MPa; elongation at least 12%; impact strength at least 100 cm; hardness (ME-3/TML) at least 0.6/0.4 relative units; Shore D at 28 days 70-72; flexibility not more than 1 mm; gloss at 60° 80-90%; adhesion to concrete M750 (B55) 6.2 MPa (failure in concrete), to magnesia concrete 3.68 MPa; abrasion resistance 37 kg/µm (GOST 20811, method A), 1.5 g/m² (method B); Taber abrasion CS-10, 1 kg, 28 days – 5.5 mg; fire hazard class KM1 (V1, D1, T2, RP1); chemical resistance: water, salt and alkali solutions of any concentration, acid solutions up to 10-20%, oils and fats of all kinds, organic solvents, petrol, diesel fuel
Consumption100-300 g/m² per coat (1-2 coats under a coating, 2-3 coats as an impregnation)
Shelf life8 months in the manufacturer's original packaging; store and transport at temperatures from -40°C to +25°C
StandardsCertificate of conformity (fire safety); Certificate of conformity; Approval for use in children's and healthcare institutions; NIKIMT report “Decontaminability and radiation resistance”.

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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