R4 FAST SETTING DRY SPRAYED MICRO REPAIR CONCRETE SikaCem-133 Rapid Gunite is a cement based, polymer modified one component fast setting repair mortar containing silica fume and high range water-reducing agents, meeting the requirements of Class R4 of EN 1504-3. Formulated for machine applications using the dry spray process with set accelerators. |
Usage ▪ Large volume repairs. ▪ Bridges. ▪ Marine structures. ▪ Tunnels. ▪ Buildings. ▪ Fire damaged structures. ▪ For exterior and interior use. ▪ In place of R1, R2 and R3 mortars. Advantages ▪ One component, ready to use. ▪ Non silica aggregates. ▪ Low rebound losses and dust formation during the spraying process. ▪ Layer thicknesses in one application overhead up to 100mm are possible. ▪ Rapid strength gain. ▪ Fast Initial and final set times. |
Technical Information Compressive Strength 1 day | ~35MPa | 3 days | ~45MPa | 7 days | ~50MPa | 28 days | ~60MPa |
Modulus of Elasticity in Compression Flexural Strength ~8-9MPa at 28 days Tensile adhesion strength Coefficient of Thermal Expansion 13.5 × 10-6/°C | (EN 1770:1998) |
Electrical Resistivity ~16 KΩ/cm | (4 point wenner @ 28 days) |
Capillary Absorption ~0.36 kg.m-2.h-0.5 | (EN 13057:2002) |
Freeze Thaw De-Icing Salt Resistance Good resistance with no visible change after 50 cycles | (EN 13687-1:2002) |
Reaction to Fire Euroclass A1 |
Application Information Layer Thickness 15 mm min. / 150 mm (Vertical) 100mm (Overhead) max. Ambient Air Temperature +3°C min. / +30°C max. Substrate Temperature +3°C min. / +30°C max. Final set time Typical set time @ 20°C |
The above design is only a sample of the options available, for reference purposes only. Our policy of continuous improvement may result in a change of specifications without notice. If any discrepencies might be between the data sheet values and standards, we reserve the rights to make technical changes. Our company will not be held responsible, as all or any of pictures, drawings, weights and dimensions details or other elements in this document are only indicative and must not be considered contractual. Contact our sales team for other specifications or custom made products.
Contact our sales team for other specifications or custom made products.