REKS
REKS® Strukto 70 — thixotropic R4 repair mortar, 70 MPa, W20
Fibre-reinforced R4 repair mortar for bridges, dams, tunnels and columns with compressive strength from 70 MPa and water impermeability W20.
Price on request
REKS
REKS® Strukto 60 — fibre-reinforced thixotropic R4 repair mortar, 60 MPa
REKS® Strukto 60 is a non-shrink fibre-reinforced thixotropic cementitious mortar of class R4 per GOST R 56378 for the repair and waterproofing of concrete and reinforced concrete structures of bridges, overpasses, tunnels, dams and tanks. It is used to restore beams and columns, including prestressed ones, elements in a marine environment, under repeated loading and exposed to sulphates and mineral oils. At 28 days it provides at least 60 MPa in compression and 2.5 MPa of bond to the substrate, with an aggregate size of 2.5 mm, F2 400 and W16.
Specifications
| Manufacturer | REKS — OOO “SPS” |
|---|---|
| Type | thixotropic repair mortars |
| Use | bridges and overpasses, tunnels and metro, hydraulic structures and dams, industrial buildings, tanks and treatment plants, columns and beams |
| Base | non-shrink fibre-reinforced thixotropic cementitious repair mortar |
| Colour | grey |
| Packaging | bag 25 kg |
| Application method | repair and waterproofing of damaged elements of concrete and reinforced concrete structures; repair of structures in service in a marine environment; repair of structural elements subject to repeated loading; repair in industrial premises in the presence of mineral oils, lubricants, etc.; repair of structures exposed to sulphates |
| Application temperature | +5…+30 °C |
| Key properties | modulus of elasticity: ≥25,000 MPa; density of hardened mortar: 2.2 ± 5 % t/m³; freeze-thaw resistance: F2 400; bond to substrate at 28 days: ≥2.5 MPa; water impermeability: W16; compressive strength at 28 days: ≥60 MPa; flexural strength at 1 day: ≥3 MPa; flexural strength at 28 days: ≥7 MPa; bond to substrate at 28 days after 50 freeze-thaw cycles in salts: ≥2.2 MPa; aggregate size: 2.5 mm; flowability (truncated cone spread on a flow table): 110–130 mm; flowability retention: 20–40 minutes; shrinkage: ~500 µm/m; compressive strength at 1 day: ≥30 MPa; capillary water absorption: no more than 0.4 kg/(m²·min⁰·⁵); sulphate resistance coefficient (365 days): 0.982 % |
| Shelf life | 12 months from the date of manufacture |
| Standards | class 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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Price on request