VELOSIT® SR 207
Sulphate Resistant, High Build Structural Grade Concrete Repair Mortar R4
Product Description
VELOSIT SR 207 is a Sulphate-resistant, structural grade cementitious repair mortar for concrete restoration acc. to EN 1504-9. It is used to fill large voids or build up larger cross-sections up to 100 mm specifically designed for repairs in sewage and waste water structures.
VELOSIT SR 207 is a shrinkage compensated cementitious repair mortar with quick strength development.
VELOSIT RM 207 is the result of many years in the field testing and research. VELOSIT SR 207 is a sulphate-resistant, structural grade cementitious repair mortar for concrete restoration acc. to EN 1504-9.
Typical Applications
- Repair of large surface defects on in concrete manholes, primary & secondary sewage treatment basins and waste water treatment plants
- Overlays and repairs on concrete structures like dams, bridges, beams, balconies, facades
- Application suitable on horizontal, and vertical incl. overhead applications
- Application thickness from 6 mm to 100 mm
- Used as micro-concrete
Features
- Minimal shrinkage/expansion under dry resp. wet curing conditions minimising the risk of micro-cracking
- Excellent workability
- Wide range of water addition to meet different workability requirements
- Fiber reinforced with grain sizes reaching 4 mm
- Hydrophobic
- Advanced corrosion inhibitor technology
- 30 min. working time and 12 MPa compressive strength after 4 hours
- Final strength exceeds 45 MPa after at 28 days
- Open to foot traffic after 3 – 4 hours
- Water curing only under hot and dry conditions required for max. 4 hours
- Good weathering resistance
- Good sulfate resistance
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