Xinmi CSA Concrete Road Facing Urgent Repair Material is obtained by special Rapid-hardening Sulphoaluminate cement with composite special admixture.

•Operating this special applicator is unnecessary，simply mix the repair material with sand, crushed stone, and water in the specified ratio for easy application.

• This product guarantees a working life of over 20 minutes and achieves high strength. From the moment of mixing, the concrete road surface can resume work in just 4 hours, making it an ideal rapid repair solution for airports and highways.

•Based on special rapid-hardening sulphoaluminate cement, this product offers outstanding sulfate resistance and is suitable for use in seawater environments, while also preventing damage from alkali aggregate reactions.

•With a low batching water requirement and minimal expansion, this material achieves a high degree of compaction, along with excellent freeze-thaw resistance and salt tolerance.

•Its excellent adhesive properties ensure a firm bond between new and existing concrete interfaces.

•The working surface must be rigid and should be watered prior to repair. Concurrently, remove any contaminants and standing water.

• Adhering to the mix proportions of cement-based material/sand/crushed stone/water at 1/1.5/1.5/0.27-0.3, adjust the water content as needed based on actual conditions.

•Cement-based material should be mixed with an admixture. Subsequently, add mid-sand, crushed stone, and water, stirring for a minimum of 5 minutes.

•When applying in sub-zero temperature conditions, use hot water and follow a feeding sequence of sand first, then crushed stone and water, finishing with the binder. Ensure that the water temperature is regulated to maintain a placement temperature above 5°C

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