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Gidrobeton SV-1 — rapid-hardening high-strength class R4 mortar
Kalmatron

Gidrobeton SV-1 — rapid-hardening high-strength class R4 mortar

Other concrete repair materials

Gidrobeton SV-1 is a rapid-hardening mix based on high-grade Portland cement and quartz sand up to 2.5 mm, placed into formwork or by the semi-dry screed method with compaction by vibration or rodding. It is used to repair deteriorated concrete and reinforced concrete structures and for high-strength screeds, including sloped screeds. The repair mortar class is R4: compressive strength at least 45 MPa at 28 days, flexural 10.0 MPa, watertightness W20, frost resistance F1 600.

Specifications

ManufacturerKalmatron — OOO “Kalmatron-SPb”, Saint Petersburg
Typeother concrete repair materials
Usefloors, tanks and treatment plants
Basedry mix: high-grade Portland cement, chemical admixtures, graded quartz sand up to 2.5 mm; rapid-hardening, non-shrink, high-strength compound
Colourgrey (free-flowing grey powder)
Application methodrepair of deteriorated concrete and reinforced concrete structures, high-strength screeds, including sloped screeds; 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, treat the rebar with “Kalmatron-Adgeziv”; for bonding — “Ultralit-Grunt” primer or “Kalmatron-Adgeziv”; water 100–120 ml per 1 kg (2.5–3.0 l per 25 kg), mixing for 3–5 min, 5 min pause, remixing; adding water is prohibited; placing into formwork, including by the semi-dry screed method, with a trowel, spatula or mason’s trowel; compaction by vibration or rodding
Application temperaturenot below +5 °C (mortar and substrate; 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 propertiesrepair mortar class R4; compressive strength after 7 days at least 30 MPa, after 28 days at least 45 MPa (GOST 310.4); flexural strength at 28 days at least 10.0 MPa; adhesion to concrete at least 2.0 MPa (GOST R 58277); watertightness at least W20 (GOST 12730.5); frost resistance at least F1 600 (GOST 10060); non-shrink (GOST 11052); maximum aggregate size 2.5 mm; chloride ions no more than 0.1 %; workability by cone spread 120–190 mm (GOST R 58277); workability retention at least 40 min (GOST R 56378); mortar density 2,200 kg/m³; working time 30–40 min
Shelf life12 months
StandardsTU 5745-009-54282519-2008; SGR KG.11.01.09.013.E.000282.01.22 of 28.01.2022

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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