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Gidrobeton SRG-F2 — fine-grained fibre-reinforced mortar for repair and shotcrete
Kalmatron

Gidrobeton SRG-F2 — fine-grained fibre-reinforced mortar for repair and shotcrete

Thixotropic repair mortars

Gidrobeton SRG-F2 combines quartz sand up to 0.63 mm, polypropylene fibre and compensated shrinkage. The mix is applied by hand to a moistened substrate or mechanically by dry-mix shotcreting. The manufacturer states a watertightness of 14 atmospheres, frost resistance of at least 300 cycles, compressive strength of 40 MPa, bond to concrete of 2.0 MPa and that ultraviolet does not affect the material.

Specifications

ManufacturerKalmatron — OOO “Kalmatron-SPb”, Saint Petersburg
Typethixotropic repair mortars
Usetanks and treatment plants, floors
Baseshrinkage-compensated dry mix: cement, quartz sand (size up to 0.63 mm), a complex of chemically active admixtures, polypropylene fibre
Colourgrey (free-flowing grey powder)
Packagingbags of (25±0.25) kg
Application methodthe 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; water 160–170 ml per 1 kg, mixing with a mixer or in a mortar mixer for 3–5 min; adding water is prohibited; applied with a trowel, spatula or mason’s trowel to a moistened surface; mechanically — by dry-mix shotcreting
Application temperaturesurface not below +5 °C; mortar not below +5 °C (in cold weather — warm water not above +35 °C)
Curingmoist 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; the screed can be walked on after 12–24 h
Key propertiesmaximum aggregate size 0.63 mm; shrinkage compensated; not affected by ultraviolet; watertightness 14 atmospheres; frost resistance at least 300 cycles; compressive strength at 28 days at least 40 MPa; flexural strength at 28 days at least 4.5 MPa; adhesion to concrete at 28 days at least 2.0 MPa; working time 30–40 min; 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.20312/19 of 11.02.2019 valid until 10.02.2029; expert opinion No. 04E.0312.251 of 13.03.2012

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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