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REKS® Strukto R3 — rapid-setting class R3 mortar for repair and levelling
REKS

REKS® Strukto R3 — rapid-setting class R3 mortar for repair and levelling

The repair and levelling mortar REKS® Strukto R3 belongs to class R3 per GOST R 56378: it is non-shrink, rapid-setting and fibre-reinforced, with an aggregate size of 1.25 mm. It is used for repair and finishing of concrete and reinforced concrete structures, levelling of surfaces in routine repair and new construction, local correction of horizontal and vertical areas and restoration of precast concrete elements. Flowability is retained for 5–15 minutes, compressive strength is at least 8 MPa after one day and 35 MPa after 28 days, water impermeability from W16.

Specifications

ManufacturerREKS — OOO “SPS”
Typethixotropic repair mortars
Useindustrial buildings, columns and beams, tanks and treatment plants
Basenon-shrink rapid-setting fibre-reinforced thixotropic cementitious mortar for repair and levelling of concrete surfaces
Colourgrey
Packagingbag 25 kg
Application methodrepair and finishing of concrete and reinforced concrete structures; levelling of concrete surfaces in routine repair and in new construction; local levelling of horizontal and vertical surfaces; repair of precast concrete elements
Application temperature+5…+30 °C
Curingprotection from precipitation for at least 24 h; in hot and windy weather — water spraying and covering with film
Key propertiesmodulus of elasticity: ≥25,000 MPa; density of hardened mortar: 2.25 ± 5 % t/m³; freeze-thaw resistance: F2 300; bond to substrate at 28 days: ≥1.5 MPa; water impermeability: ≥W16; compressive strength at 28 days: ≥35 MPa; flexural strength at 1 day: ≥2 MPa; flexural strength at 28 days: ≥6 MPa; bond to substrate at 28 days after 50 freeze-thaw cycles in salts: ≥1.5 MPa; aggregate size: 1.25 mm; flowability (truncated cone spread on a flow table): 115–130 mm; flowability retention: 5–15 minutes; compressive strength at 1 day: ≥8 MPa; capillary water absorption: no more than 0.4 kg/(m²·min⁰·⁵)
Shelf life12 months from the date of manufacture
Standardsclass R3 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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