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BIRSS 59 S2 M700 Moroz — 70 MPa R4 mix placed from −15 to +30 °C
BIRSS

BIRSS 59 S2 M700 Moroz — 70 MPa R4 mix placed from −15 to +30 °C

Thixotropic repair mortars

BIRSS 59 S2 M700 Moroz can be worked at temperatures from −15 to +30 °C, that is, both in frost and in warm weather. The thixotropic mortar with polymer microfibre is used for structural repair of bridges and tunnels under vibration loads, reinforced and prestressed structures, port and hydraulic structures, joints and cavities without formwork. Frost resistance F2 400 and water impermeability W20 are combined with compressive strength of 35 MPa at 28 days when hardening at −15 °C and 70 MPa at +20 °C.

Specifications

ManufacturerBIRSS — AO Opytny Zavod Sukhikh Smesey (Experimental Dry Mix Plant), Moscow
Typethixotropic repair mortars
Usebridges and overpasses, tunnels and metro, hydraulic structures and dams, columns and beams, industrial buildings
BaseBIRSS 59 S2 M700 Moroz is a dry mix based on special cements and high-quality natural fillers with a complex of chemical admixtures, reinforced with polymer microfibre. When mixed with water it forms a rapid-hardening, rheoplastic, non-segregating thixotropic mortar with a high…
Packagingbags 25 / 40 kg
Application methodBIRSS 59 S2 M700 Moroz is used for structural repair of vertical and horizontal concrete and reinforced concrete structures: repair of reinforced concrete elements of road bridges and tunnels subject to dynamic and vibration loads; filling rigid vertical and horizontal joints between precast elements; filling potholes and cavities without formwork; repair of reinforced and prestressed structures; repair of port and hydraulic structures, including…
Application temperature−15…+30 °C
Key propertiesmaximum aggregate size, mm: 5; workability grade: Pk2/4-8; workability retention, min: 30; bond strength to substrate, MPa: 2; compressive strength, MPa, not less than At t = -15 °C At t = +20 °C -1 day/3 days 5/15 25/45 - 7 days/28 days 20/35 -/70; flexural strength, MPa, not less than At t = -15 °C At t = +20 °C - 1 day/3 days - 7/8 - 7 days/28 days -/6 -/10; water impermeability: W20; frost resistance: F2 400; sulphate resistance coefficient: 0.9; service temperature, °C: from -50 to +70
Standardsclass R4 to GOST R 56378

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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