AQUARIUS TECHNOLOGIES PVT. LTD.
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Vacuum Dewatering System

Product Code : A-04

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Product Specification
Filter pads are placed on the fresh concrete leaving about 4 inches of fresh concrete exposed on all sides. The Top Cover is then placed on the filter pads and rolled out till it covers the strips of exposed concrete on all sides. The Top Cover is then connected to the vacuum pump through a suction hose and the pump is started. Vacuum is immediately created between the filter pads and the top cover. Atmospheric pressure compresses the concrete and the surplus water is squeezed out. This process lowers the water content in the concrete by 15-25%. The dewatering operation takes approx. 1.5, 2 minutes per centimeter thickness of the floor. The dewatered concrete is compacted and dried to such an extent that it is possible to walk on it without leaving any foot prints. This is the indication of concrete being properly dewatered and ready for finishing. The finishing operations Floating and Troweling take place right after dewatering. Floating operation is done with Floating disc. This ensures aftermixing of sand and cement particles, further compaction and closing the pores on the surface. Floating operation generates skid-free finish. Troweling is done with Troweling blades in order to further improve the wear resistance, minimize dusting and obtain smoother finish. Repeated passes with disc and blades improve the wear resistance substantially.

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