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Gidrobeton SRG-2 — fine-grained waterproofing repair mortar
Kalmatron

Gidrobeton SRG-2 — fine-grained waterproofing repair mortar

Thixotropic repair mortars

In Gidrobeton SRG-2 the aggregate is graded quartz sand with a maximum size of 0.63 mm. The mix is applied with a trowel, spatula or mason’s trowel to a moistened surface, or mechanically by dry-mix shotcreting. The hardened mortar has a watertightness of at least 14 atmospheres, a compressive strength of at least 40 MPa, a bond to concrete of 1.5 MPa and a frost resistance of 200 cycles, and is used at temperatures from −60 to +130 °C.

Specifications

ManufacturerKalmatron — OOO “Kalmatron-SPb”, Saint Petersburg
Typethixotropic repair mortars
Usetanks and treatment plants, floors
Basedry mix: Portland cement, graded (quartz) sand, a complex of patented chemically active reagents; cement-based waterproofing repair compound
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 (4 l per 25 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 temperaturesubstrate +5…+25 °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 propertieswatertightness at least 14 atmospheres; frost resistance at least 200 cycles; compressive strength at 28 days at least 40 MPa; flexural strength at 28 days at least 3.5 MPa; adhesion to concrete at least 1.5 MPa; maximum aggregate size 0.63 mm; 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.20211/19 of 08.02.2019 valid until 07.02.2029; 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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