Diatomite is a kind sediment of ancient microbes which is a single cell water plant. You can see many forms under microscope. It is porous, low in density, and has a strong absorption and good ability to suspend, is stable in chemical nature. Diatomite and its products are widely used in industry as a filling. It can serve as dryer of food, electric appliance and apparel and as filtration aid in the separation process between liquid and solid. So it can meet various needs of industry