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Vetonit remokor L-45 — pourable non-shrink repair mortar, class R4
Vetonit

Vetonit remokor L-45 — pourable non-shrink repair mortar, class R4

Flowable repair mortars

The pourable Vetonit remokor L-45 of class R4 is made with high-strength cements, graded sand up to 3 mm and polymer fibre, without metallic aggregates or chlorides. It is poured into watertight formwork from one side and the mortar flows under its own weight, so it is suitable for densely reinforced and prestressed structures where shotcrete is impossible, for monolithic filling of joints and for strengthening foundations. The compressive strength is at least 20 MPa after 1 day and 45 MPa after 28 days, frost resistance F₁600, water impermeability W10.

Specifications

ManufacturerVetonit — OOO “Saint-Gobain Stroitelnaya Produktsiya Rus”, Arzamas
Typepourable repair mortars
Usebridges and overpasses, columns and beams, industrial buildings, hydraulic structures and dams, roads and airfields
Basedry mix based on high-strength cements, graded sand (maximum size 3 mm) and special additives with polymer fibre; no metallic aggregates or chlorides; non-shrink rheoplastic compound
Colourgrey
Packagingthree-ply paper bag with a polyethylene middle ply, 25 kg
Application methodclean the concrete, remove weak areas (grinding, milling, sandblasting, wet abrasive blasting, shot blasting), wash with pressurised water; clean the rebar and immediately coat it with “Vetonit remokor 05”; dampen the substrate 24 h beforehand and again before the work (matt-damp); water +10…+30 °C, mortar temperature +10…+20 °C; first the minimum amount of water, then the dry mix, mix for 3–5 min with a drill and low-speed paddle or in a concrete mixer, pause 5 min, remix, add the rest of the water if necessary; do not overdose water; pour into strong, watertight formwork soaked with water; pour from one side of the formwork (the pouring side higher and wider), the mix flows under its own weight; for a layer thicker than recommended add washed gravel (crushed stone) 5–10 mm (5–20 mm) in an amount of 50–60 % of the dry mix weight; when pouring 50 mm at a time — a stiffer mix
Application temperature+5…+35 °C (air and substrate)
Curingkeep moist, protect from precipitation, sun and wind for 5 days; a film-forming curing compound may be used; for 5 days after the work the air and substrate temperature must not be below +5 °C
Key propertiesclass R4; maximum aggregate size 3 mm; water demand 2.6–2.9 l per 25 kg (10.5–11.5 %); working time 30 min; compressive strength at least 20 MPa (1 day), 30 MPa (7 days), 45 MPa (28 days) (actual 38.0 / 58.4 / 88.7); flexural tensile strength at least 3 MPa (1 day), 6 MPa (28 days) (actual 4.5 / 7); compressive modulus of elasticity at least 20 GPa (actual 45.4); bond strength to the substrate at least 2 MPa (actual 4.0); after restrained shrinkage 3.6 MPa, after restrained expansion 3.6 MPa; frost resistance grade at least F₁600; water impermeability at least W10 (actual W20); chloride ions no more than 0.1 %; carbonation resistance no more than 2.07×10⁻⁴ cm2/s (actual 2.5×10⁻⁷); chloride ion penetration resistance (0–2 mm) no more than 0.05 (28 days), 0.06 (90 and 180 days) N/mm2; combustibility group NG; service in exposure classes X0, XC1-4, XD1-3, XS1-3, XF1-4
Shelf life12 months from the date of manufacture in factory packaging in a dry room at relative humidity no more than 60 %
StandardsSTO 56846022-004-2024 “Dry repair mixes”; GOST R 56378-2015 (declaration); declaration of conformity ROSS RU D-RU.RA01.V.38633/26; certificate of conformity to fire safety requirements RU C-RU.PB37.V.01230/24; SGR KG.11.01.09.008.E.000530.01.25

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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