
Optimix RM725 Lightweight Repair Mortar (HKHA Class 25)
Optimix RM725 Repair Mortar is a quality lightweight repair mortar with shrinkage compensation, designed for localised concrete damage, spalling and reinforcement corrosion repair. Complies with HKHA Repair Mortar Class 25 and is certified by the Hong Kong Concrete Institute, suitable for formwork-free vertical and overhead application.
Optimix RM725 lightweight repair mortar (HKHA Class 25). Contact us via WhatsApp for pricing and stock availability.
| Specification | On request |
|---|---|
| Packaging | 20 kg / bag |
| Colour | Grey |
| Coverage | 1 inch thickness: approx. 4 sq.ft / 20 kg |
Applications
- Repair of localised concrete damage, spalling and reinforcement corrosion
- Structural and non-structural repair on vertical and overhead surfaces, interior and exterior
- Recommended repair thickness: vertical ≤ 50 mm/layer, overhead ≤ 30 mm/layer
Advantages
- Lightweight yet strong — combines light weight with structural strength
- Excellent adhesion and durability — good chloride and carbonation resistance
- Low shrinkage with thick-layer application
- High early strength and fast hardening for efficient repair
- Reliable certification