A number of applications in various industries for perlite ore : In the building industry as light aggregate to produce lightweight block In the pharmaceutical industry , food and beverage as filtration In the paper industry , plastics, paints and ceramics industry as filler In the metallurgical industries, as the catcher on The agricultural industry as a softener Fertilizers and Soil Additives The floriculture industry , greenhouse production , producing seedlings and agriculture without soil supply moisture to the roots of plants In the oil industry and tunnel construction industry as sealing In the toothpaste industry, etc. as an abrasive in toothpaste In refinery and petrochemical industry body for tank insulation In power plants to protect and prevent the rise of low temperature In tanks of gas to prevent the temperature rising |