With CGM high-strength non-shrinkage grouting material & # 8203; Repair items that should be paid attention to

CGM high-strength non-shrinkage grouting material to repair the GB/T 50448 - 2015 with CGM high-strength non-shrinkage grouting material & # 8203; Repair it matters that should be paid attention to the construction matters needing attention 1 clean base, chisel in addition to damage, loose concrete, concrete surface rough, clean. 2 2 h before plastering mortar, flush with water for repair, make concrete surface in a saturated state, but can't have MingShui surface. 3. Artificial repair, whether the mechanical spraying or artificial plastering mortar, should use a spatula in one direction, and wipe out at a time, as far as possible to avoid back and forth. Such as repair thickness more than 3 cm, layered, should be interval between layer and layer 3 ~ 4 h, the thickness of each layer of no more than 2 cm. 4. After the final set, if grouting layer and concrete surface uneven, manual polishing, and the surface is the same color debugging.