River sand is a kind of non-metallic ore with complex composition, smooth surface and high content of impurities that are generated by repeated collision and rubbing with water over a long period in a natural stone state. River sand particles are smooth, relatively clean, and widely available.
Application
After sieving, river sand can be widely used in various types of dry mortar, such as:
- Insulation mortar
- Adhesive mortar
- Plaster mortar
It is washed with water, dried, and graded for use as the main aggregate. Its strength is comparable to mortar made from quartz sand, making river sand irreplaceable in general construction and decoration.
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