What is the difference between Herashi and Wash sand?

River sand and water washing sand is a sand that needs to be used in my country. As the state is more strict, some areas have been strictly prohibited from cating the river sand, the water washing machine is more and more extensive, then the river Is there a difference between sand and water washing? This article is a solution.

The river sand is from the river beach, and its resources are relatively rich, but with over-years over the past few years, the gradual lack of trend has been shown, and the feature of river sand is small and there is less quality. The river sand is mainly a beach deposited sand, and its color is grayish white or yellow, which is composed of fine sand, coarse sand, coarse sand, gravel layer, gravel layer. The yield of the river sand is touched by the riverbed, and the surface layer is tilted by the river bank, and tends to tilt downstream. The river is very hard, the color is clear, and it is a good building.

The washing sand is natural silicone sand, graded, and the mud is smaller than the river. The water washing sand is natural sand, and the sanding machine is cleaned, and the stone powder, soil, excessive sand granules in the sand are cleaned off. Let the fine sand particles, the stone powder content is controlled within a certain proportion, improve the overall sandstone quality, the gravel material through the water washing process, can make its finished particle size to be effective, the finished product granularity can be combined and separated according to the needs of users. Out of various specifications of the sand.