BIRSS
BIRSS UK-1 hardener — quartz topping for concrete floors
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Price on request
BIRSS
BIRSS RSM-1 M450 — thixotropic R4 repair mix with reinforcing fibre
BIRSS RSM-1 M450 is mixed with water to give a rapid-hardening thixotropic mortar based on special cements with reinforcing fibre and sand up to 0.63 mm. It is used where high compressive strength is required from the repair of concrete and reinforced concrete: on elements of road bridges and tunnels, in structures under dynamic loads, in joints between precast elements and in cavities filled without formwork. Class R4; after one day at least 20 MPa, at 28 days 45 MPa, frost resistance F2 400, water impermeability W12.
Specifications
| Manufacturer | BIRSS — AO Opytny Zavod Sukhikh Smesey (Experimental Dry Mix Plant), Moscow |
|---|---|
| Type | thixotropic repair mortars |
| Use | bridges and overpasses, tunnels and metro, hydraulic structures and dams, columns and beams, industrial buildings |
| Base | BIRSS RSM-1 M450 dry repair mix is a material based on special cements, graded fine sand, reinforcing fibre and chemical admixtures; when mixed with water it gives a rheoplastic, non-segregating, rapid-hardening thixotropic mortar with… |
| Colour | grey |
| Packaging | bags 25 / 40 kg |
| Application method | BIRSS RSM-1 M450 repair mix is recommended for repairing concrete and reinforced concrete structures where high compressive strength is required: elements of road bridges and tunnels; structural elements subject to dynamic loads; filling vertical and horizontal joints between precast elements; potholes and cavities without formwork in areas with increased surface quality requirements; those in constant… |
| Application temperature | +5…+35 °C |
| Key properties | maximum aggregate size, mm: 0.63; workability grade: Pk2/4-8; workability retention, min: 30; bond strength to substrate, MPa: 2; compressive strength, MPa, not less than -1 / 28 days 20 / 45; flexural strength, MPa, not less than - 1 / 28 days 5 / 10; water impermeability: W12; frost resistance: F2 400; sulphate resistance coefficient: 0.9; service temperature, °C: from -50 to +70 |
| Standards | class R4 to GOST R 56378; STO 05668056-004-2012 |
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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