Road Facing Repair Materials

Product Description

This product can ensure working life more than *0mins with a higher strength. From mixing, concrete road surface. Polar Bear CSA Concrete Road Facing Urgent Repair Material is obtained by special Rapid-hardening Sulphoaluminate cement with composite special admixture, this product has passed appraised science and technology achievement by Hebei province , got success apply in Haerbin Airport , Mudanjiang Airport for road surface. Properties: 1. Special applicator was not necessary while operating, , just need mixed repair material, sand and crushed stone with water in designed ratio, so convenient for operating. 2. This product can ensure working life more than *0mins with a higher strength. From mixing, concrete road surface resume working just need 4 hours, so it is an ideal urgent repair material for airport and expressway, etc. 3. For based on special rapid-hardening sulphoaluminate cement, this product have excellent sulfate-resisting and seawater, also can avoid the damage from alkali aggregate reaction. 4. Low rate of batch water with its slight expansion make this material have a high degree of compaction beside excellent capacity about breeze-thaw resistance and salt. 5. Excellent adhesive is to make the interface between new and old concrete firmly bond. Type of Low temperature : **0~*0℃ Type of Low temperature : *0~*5℃ Type of Low temperature : *5~*5℃ Working life of *0mins, 4h, Compressive strength(MPa):≥*0MPa Working life of *0mins, 1d, Compressive strength(MPa):≥*0MPa Working life of *0mins, 7d, Compressive strength(MPa):≥*0MPa Working life of *0mins, *8d, Compressive strength(MPa):≥*5MPa Using methods 1. Working surface should be a rigid and need watering before repaired, meanwhile, clear the contaminant and ponding of water. 2. According to the mix proportion of Cement based material/sand/crushed stone/water=1/1.5/1.5/0.***0.3, and the water can