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BIRSS UK-1 hardener — quartz topping for concrete floors
BIRSS

BIRSS UK-1 hardener — quartz topping for concrete floors

Toppings

UK-1 hardener is trowelled into freshly laid concrete with power trowels or by hand, producing a dense, wear-resistant top layer of the floor. The mix is based on graded quartz filler and high-strength Portland cement; the colour is grey and it can be tinted. The topping is designed for production halls, warehouses, garages, car parks, filling stations and railway stations, indoors and outdoors: abrasion 0.5 g/cm², frost resistance F2100, water impermeability W8. The manufacturer does not recommend the mix where it will be exposed to acids and salts.

Specifications

ManufacturerBIRSS — AO “Opytny Zavod Sukhikh Smesey”, Moscow
Typetoppings
Useproduction halls, warehouses and logistics, car parks and ramps, retail and public, outdoor areas, wet rooms
Basedry mix: graded quartz filler, high-strength Portland cement, chemical and mineral additives
Colourgrey (can be tinted)
Packagingpaper bags 25 kg (a 50 kg bag is also listed in the catalogue)
Application methodtrowelled into freshly laid concrete (at least B22.5/M300) or BIRSS 8/53 sand concrete with power trowels (“helicopters”) or by hand, in two passes (2/3 + 1/3); after 12–24 h — BIRSS Grunt Beton impregnation
Application temperature+5…+35 °C
Curingwaiting time before application 2–7 h (the concrete bears a person's weight, footprint no deeper than 3 mm); impregnation 12–24 h after trowelling
Key properties28-day compressive strength at least 60.0 MPa; flexural tensile strength Btb5.2/7.0 MPa; abrasion 0.5 g/cm²; impact resistance 2 kg; water impermeability W8; adhesion at least 0.6 MPa; frost resistance F2100; service temperature −50…+70 °C; grain size up to 4.0 mm; “wear resistance increased by 400–600 %, impact resistance by 50–70 %”
Consumption4–6 kg of dry mix per 1 m² (depends on colour saturation)
Shelf life12 months from the date of manufacture in undamaged packaging, in a dry room
StandardsTU 5745-007-05668056-2013; QMS to GOST R ISO 9001-2015

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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