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Vetonit Remokor-Krit — polyurethane polymer concrete for expansion joints
Vetonit

Vetonit Remokor-Krit — polyurethane polymer concrete for expansion joints

Other concrete repair materials

Vetonit Remokor-Krit is a three-component polyurethane-based system with fine aggregate: a polyol, a prepolymer and a blend of rheologically active powders form, after mixing, a polymer concrete with high impact toughness. It is used to construct and repair transition zones at structural junctions and expansion joints on road bridges, engineering structures and car parks. Foot traffic is allowed after 2 h, vehicle traffic after 4–6 h; the bond to metal is at least 5 MPa, to concrete and asphalt concrete 2 MPa.

Specifications

ManufacturerVetonit — OOO “NPF ‘Adgeziv’”, Vladimir
Typeother concrete repair materials
Usebridges and overpasses, roads and airfields
Basethree-component polyurethane-based system with fine graded aggregate: A — polyol (base), B — prepolymer (hardener), C — blend of rheologically active powders (filler)
Colourcomponent A — black liquid; B — light yellow to brown; C — free-flowing mass from light yellow to dark grey
Packagingkit of 21.2 kg: component A 2.65 kg (PET pail with lid), B 1.05 kg (PET bottle), C 17.5 kg (paper bag in a PET pail); about 10 l of ready mortar
Application methodconstruction and repair of transition zones at structural junctions and of expansion joints, surfacings with high impact toughness (road bridges, engineering structures, car parks), horizontal surfaces indoors and outdoors; concrete age at least 14 days, remove weak particles and repair cracks; stir A for 20 s, add B and mix for at least 1 min, then add C, about 2 min in total with a mixer at 300–400 rpm; B crystallises when stored below +8 °C — heat to +70 °C, stir, cool; cover the formwork with release tape; deeper than 120 mm — in several pours, each layer cured
Application temperaturesubstrate not below +10 °C; hardening at +10…+35 °C
Curingpot life 8–12 min at +20 °C; start of hardening 12–20 min at +20 °C; foot traffic after 2 h, vehicle traffic after 4–6 h, full hardening after 72 h
Key propertiesratio A : B : C 2.65 : 1.05 : 17.5 (parts by weight); mortar density 1950–2100 kg/m3; water absorption by weight no more than 1 %; compressive strength at least 10 MPa (1 day), 23 MPa (7 days); flexural tensile strength at least 10 MPa (1 day), 20 MPa (7 days); rutting from plastic deformation at least 20,000 cycles; abrasion (Prall test) 3 cm3; splitting strength at least 4.5 MPa (incl. after freeze–thaw and in a water-saturated state); frost resistance at least F₂300; bond strength: metal at least 5 MPa, concrete and asphalt concrete at least 2 MPa; service temperature –40…+85 °C
Shelf life12 months from the date of manufacture in factory packaging in a dry room at +5…+30 °C
StandardsSTO 22736960-001-2024 “System of polyurethane components for monolithic filling of expansion joints and construction of transition zones”; SGR RU.33.VL.02.008.E.000016.08.24 dated 16.08.2024

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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