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REKS® Strukto 300 — rapid-setting R4 mortar for repair and joint filling
REKS

REKS® Strukto 300 — rapid-setting R4 mortar for repair and joint filling

Thixotropic repair mortars

Joint filling distinguishes REKS® Strukto 300 from the other mortars of the series: it is a rapid-setting thixotropic cementitious compound for repair work and filling of joints. It is used where the repair material must gain strength quickly, and for damage caused by rebar corrosion, mechanical and impact loads and the reaction of cement alkalis with the aggregate — in industrial buildings, tanks, treatment plants and tunnels. Class R4 per GOST R 56378, compressive strength at least 30 MPa after one day and 60 MPa after 28 days, bond to the substrate from 2.3 MPa.

Specifications

ManufacturerREKS — OOO “SPS”
Typethixotropic repair mortars
Useindustrial buildings, tanks and treatment plants, tunnels and metro
Baserapid-setting thixotropic cementitious repair mortar for repair work and joint filling
Colourgrey
Packagingbag 25 kg
Application methodrepair of structures requiring rapid strength gain of the repair mortar; repair of damage caused by rebar corrosion, mechanical and impact loads, and the reaction between the alkaline constituents of cement and the aggregate
Application temperature+5…+30 °C
Key propertiesmodulus of elasticity: ≥25,000 MPa; density of hardened mortar: 2.25 ± 5 % t/m³; freeze-thaw resistance: F2 400; bond to substrate at 28 days: ≥2.3 MPa; water impermeability: ≥W16; compressive strength at 28 days: ≥60 MPa; flexural strength at 1 day: ≥5 MPa; flexural strength at 28 days: ≥7 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): 120–135 mm; flowability retention: ≥5 minutes; compressive strength at 1 day: ≥30 MPa; capillary water absorption: no more than 0.4 kg/(m²·min⁰·⁵)
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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