Manufacturer of Industrial Crusher And Plant, Sand Making Machine And Plant Sand Screening And Washing Machine offered by Sre Dhanalakshmi Equipments And Company.Sand is a granular material composed of minerals and rock sediments. What is sand used for The purpose of sand are various. Sand can be used independently, or as a blend product. The main purposes are for sandboxes, playgrounds, grouting between tiles or blending it with earth. Sand is for instance an important raw material in the construction.