Atul offers epoxy systems for injection grouting and crack filling. Add silica flour | sand to achieve thixotropic properties to avoid sagging on vertical surfaces. Features • solvent-free • variable setting time • low viscosity and high penetration • excellent adhesion to concrete • low shrinkage • may be applied by gravity pouring | injection grouting Applications • old structures like bridges, beams, columns, buildings and road cracks 14 15 Application process Clean concrete surface thoroughly using wire brush | hand tool. Widen the crack using V-grooving in case of large cracks. Apply epoxy primer thoroughly into the cracks. Mix resin and curing agent. Stir well. If required, add silica flour | sand. 1 4 2 3 Fill the cracks using spatula | trowel. 5 Allow curing for 24 hours to get optimum results. 6 Repair and crack filling systems Lapox systems Mixing ratio (resin : curing agent) Mixed1 viscosity @ 25 °C Pot life2 @ 25 °C Colour Recommendations Parts by weight mPa s Minutes Gardner Small cracks (<2mm) B-47 | K-48 100 : 18 300-500 25-35 Resin: 1 GS Curing agent: 4 GS Fast cure system for small cracks. B-47 | K-6 100 : 10 300-500 30-40 Resin: 1 GS Curing agent: 3 GS Low viscosity system for micro cracks. Faster reactivity helps quick setting. B-47 | AH-714 100 : 50 500-700 140-180 Resin: 1 GS Curing agent: 8 GS Excellent adhesion and long working time suitable for large repair jobs. Medium cracks (2mm-5mm) B-47 | AH-713 100 : 50 3,500-4,500 110-130 Resin: 1 GS Curing agent: 9 GS Long working time with good adhesion to concrete substrates. Large cracks (>5mm) ARB-28 | AH-714 100 : 50 1,000-1,500 130-150 Resin: 1 GS Curing agent: 8 GS Long working time with good adhesion to concrete substrates. Addition of silica sand gives desired consistency for filling large cracks. 1Brookfield viscosity | 2Pot life of 100g mixed mass Technical details
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