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Gidrobeton Nalivnoy-2 — fine-grained grout for precision grouting
Kalmatron

Gidrobeton Nalivnoy-2 — fine-grained grout for precision grouting

Cementitious grouts

The fine-grained pourable mix Gidrobeton Nalivnoy-2 with a maximum aggregate size of 2.5 mm and polypropylene fibre self-compacts in the formwork. It is used for high-precision grouting of bearing parts of equipment and steel structures, installation of anchors, fixing of rebar and repair of hydraulic and transport structures. Compressive strength is at least 25 MPa after 1 day and 60 MPa after 28 days, bond to substrate 2.5 MPa, water retention at least 97.0 %.

Specifications

ManufacturerKalmatron — OOO “Kalmatron-SPb”, Saint Petersburg
Typecementitious grouts
Useequipment foundations, anchoring of rebar and bolts, columns and beams, hydraulic structures and dams, tanks and treatment plants
Basedry mix: Portland cement, mineral aggregates and fillers, polypropylene fibre, a complex of patented chemically active reagents; pourable rheoplastic self-compacting mix; maximum aggregate size 2.5 mm
Colourgrey (cement-based dry construction mix)
Packagingbags of (25±0.25) kg
Application methodpouring into formwork: high-precision grouting of bearing parts of equipment and steel structures, concrete encasement of precast reinforced concrete structures, installation of anchors and fixing of rebar, repair and new construction (hydraulic engineering structures, transport infrastructure, high-rise buildings); the substrate must be clean and sound: remove plaster, paint, whitewash, loose and delaminated concrete down to “sound” concrete (with a rotary hammer), dust, dirt and oils; clean exposed rebar of concrete around its full circumference for 20 mm and of rust; saturate the surface with water, remove the excess with a rag (together with the formwork), remove excess water with a rag or compressed air; pour the mix into the measured water at a rate of 180–185 ml of water per 1 kg (4.5–4.6 l per 25 kg), mixing with a mixer for 3–5 min; adding water is prohibited; remix before pouring, pour continuously from one side; under equipment — a gap of 20–50 mm between the foundation and the support
Application temperaturemortar and substrate not below +5 °C (in cold weather — warm water not above +35 °C)
Curingformwork removal no earlier than 12 h after the end of pouring; moist curing for 3 days: wet with water every 3–4 h starting immediately after setting; protect from direct sun, rapid drying, draughts, temperature fluctuations and rain
Key propertiescompressive strength after 1 day at least 25.0 MPa, after 7 days at least 40.0 MPa, after 28 days at least 60.0 MPa (GOST 310.4-81); flexural strength at least 8.0 MPa; bond strength to substrate 2.5 MPa (GOST 31356-2007); watertightness after 7 days W18 (GOST 12730.5); workability by cone penetration Pk4 (GOST 28013-98); W/S 0.18; working life of the mortar at least 40 min; water retention at least 97.0 % (GOST 5802-86); water absorption by volume 6.0 %; maximum aggregate size 2.5 mm; service temperature -60…+130 °C
Shelf life6 months in undamaged original packaging; covered dry room, air humidity no more than 70 %, not below +5 °C
StandardsTU 5745-009-54282519-2008 “Cement-based waterproofing repair compounds” (amendment No. 1); GOST R 56378-2015; declaration ROSS RU D-RU.PA01.V.25507/19 of 25.03.2019 valid until 24.03.2029

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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