BIRSS
BIRSS 59 S2 M600 — thixotropic R4 mix with microfibre for bridges and tunnels
Repair mortar with polymer microfibre for vertical and horizontal structures of bridges, tunnels and ports and potholes without formwork; W18.
Price on request
BIRSS
BIRSS RBM M400 — fibre-reinforced R3 mix for airfield and road pavements
Airfield and road pavements with intensive dynamic loads, as well as structures under impact, are repaired with BIRSS RBM M400. It contains special cements, graded sand, fibre and chemical admixtures; the mortar does not segregate, hardens quickly and has compensated shrinkage. Use of the mix as a pourable mortar and at temperatures below +5 °C is not recommended. Class R3; compressive strength 20, 30 and 40 MPa at 3, 7 and 28 days, flexural at 28 days 7 MPa, W16, F2 400.
Specifications
| Manufacturer | BIRSS — AO Opytny Zavod Sukhikh Smesey (Experimental Dry Mix Plant), Moscow |
|---|---|
| Type | thixotropic repair mortars |
| Use | roads and airfields |
| Base | BIRSS RBM M400 dry repair mix is a material based on special cements, graded sand, chemical admixtures and fibre. When mixed with water it gives a non-segregating, rapid-hardening thixotropic mortar with compensated shrinkage. The mortar is plastic… |
| Colour | grey |
| Packaging | bags 25 / 40 kg |
| Application method | BIRSS RBM M400 — Intended for the repair and restoration of: airfield and road pavements with intensive dynamic loads; structures exposed to impact stresses. Not recommended for use as a pourable mortar, or at temperatures below +5 °C PACKAGING Paper bag 50 kg From the date of issue of this technical description all previous ones become invalid. 27.01.2022 W16 2 MPa 5 mm 400 +5 °C +30 °C PRODUCT QUALITY Product quality is ensured by a certified… |
| Application temperature | +5…+35 °C |
| Key properties | maximum aggregate size, mm: 5.0; workability grade: Pk2/4-8; workability retention, min: 30; bond strength to substrate, MPa: 2; compressive strength, MPa, not less than: - 3 / 7 / 28 days 20 / 30 / 40; flexural strength at the age of 28 days, MPa, not less than 7; water impermeability: W16; frost resistance: F2 400; service temperature, °C: from -50 to +70 |
| Standards | class R3 to 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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