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REKS® AR FM — R4 repair mortar for wet spraying, supplied with fibre
REKS

REKS® AR FM — R4 repair mortar for wet spraying, supplied with fibre

Thixotropic repair mortars

The REKS® AR FM kit consists of a 25 kg bag of dry mix and a plastic pail with 1.25 kg of fibre — one pail per bag. The non-shrink fibre-reinforced thixotropic class R4 mortar is applied by wet spraying or trowel when repairing bridges, tunnels, dams, tanks, beams and columns, including prestressed ones, as well as structures in a marine environment and in the presence of mineral oils and sulphates. Flexural strength at 28 days is at least 12 MPa, compressive strength from 55 MPa, and flowability is retained for at least 45 minutes.

Specifications

ManufacturerREKS — OOO “SPS”
Typethixotropic repair mortars
Usebridges and overpasses, tunnels and metro, hydraulic structures and dams, industrial buildings, tanks and treatment plants, columns and beams
Basenon-shrink fibre-reinforced thixotropic cementitious repair mortar
Colourgrey
Packagingbag 25 kg + plastic pail with fibre 1.25 kg (1 pail of fibre per 1 bag of dry mix)
Application methodrepair of damaged elements of concrete and reinforced concrete structures by wet spraying and by trowel; repair of structures in service in a marine environment; repair of structural elements subject to repeated loading; repair of structures exposed to sulphates
Application temperature+5…+30 °C
Key propertiesmodulus of elasticity: ≥25,000 MPa; density of hardened mortar: 2.3 ± 5 % t/m³; freeze-thaw resistance: F2 300; bond to substrate at 28 days: ≥2.0 MPa; water impermeability: W16; compressive strength at 28 days: ≥55 MPa; flexural strength at 1 day: ≥4 MPa; flexural strength at 28 days: ≥12 MPa; bond to substrate at 28 days after 50 freeze-thaw cycles in salts: ≥2.0 MPa; aggregate size: 1.25 mm; flowability (truncated cone spread on a flow table): 125–140 mm; flowability retention: ≥45 minutes; compressive strength at 1 day: ≥25 MPa; capillary water absorption: no more than 0.4 kg/(m²·min⁰·⁵); sulphate resistance coefficient (365 days): 0.982 %
Shelf life12 months from the date of manufacture
Standardsclass R4 per 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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