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Vetonit remokor NS-40 — fast class R3 finishing mortar for work in frost
Vetonit

Vetonit remokor NS-40 — fast class R3 finishing mortar for work in frost

At air temperatures from −10 to +18 °C work is carried out with the rapid-hardening thixotropic Vetonit remokor NS-40 of class R3, intended for urgent repair and finishing of reinforced concrete, including on vertical and overhead surfaces. First a primer coat of the same mortar in a more fluid consistency is scrubbed in, then the main layer is applied “wet on wet”; only as much is mixed as can be used within 10–20 min. The compressive strength is at least 5 MPa after 2–3 h and 40 MPa after 28 days, water impermeability W12.

Specifications

ManufacturerVetonit — OOO “Saint-Gobain Stroitelnaya Produktsiya Rus”, Arzamas
Typethixotropic repair mortars
Useindustrial buildings, hydraulic structures and dams
Basedry mix based on cement, graded sand (maximum size 0.63 mm) and special additives with polymer fibre; non-shrink, rapid-hardening, fine-grained thixotropic compound
Colourgrey
Packagingthree-ply paper bag with a polyethylene middle ply, 25 kg
Application methodclean the concrete, remove weak areas (grinding, milling, sandblasting, shot blasting), substrate roughness at least 5 mm; at above-zero temperatures dampen 24 h beforehand and before the work, at sub-zero temperatures — do not dampen; mix an amount that can be used within 10–20 min; pour the dry mix into the water, mix for at least 3 min, pause 1 min, remix; temperature of the ready mortar +24…+26 °C; mechanically with a plastering machine or by hand with a trowel; a primer coat of the same mortar in a more fluid consistency is mandatory (scrub in with a stiff brush), main layer “wet on wet”; thicker than 35 mm — in several layers
Application temperature–10…+18 °C (air)
Curingkeep moist, protect from precipitation, sun and wind for 24 hours; a film-forming curing compound may be used; at sub-zero temperatures hardening and strength gain slow down
Key propertiesclass R3; maximum aggregate size 0.63 mm; water demand 3.7–4.3 l per 25 kg (15–17 %); working time 10–20 min; compressive strength at least 5 MPa (2–3 h), 10 MPa (1 day), 20 MPa (7 days), 40 MPa (28 days) (actual 17.6 / 24.8 / 34.8 / 63.0); compressive modulus of elasticity at least 15 GPa (actual 28.4); bond strength to the substrate at least 1.5 MPa (actual 2.4); after restrained shrinkage 2.2 MPa, after restrained expansion 2.3 MPa; frost resistance grade at least F₁300; water impermeability at least W12 (actual W20); chloride ions no more than 0.1 %; carbonation resistance no more than 2.07×10⁻⁴ cm2/s (actual 1.6×10⁻⁶); chloride ion penetration resistance (0–2 mm, 28 days) no more than 0.09 N/mm2; combustibility group NG
Shelf life6 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.40335/26; certificate of conformity to fire safety requirements RU C-RU.PB37.V.01230/24; SGR KG.11.01.09.008.E.000345.01.25

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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