Perlite Perlite could be used in building construction products, horticultural aggregate,fillers,filter aid PerlitePerlite could be used in building construction products, horticultural aggregate,fillers,filter aid, ,and insulation fields.PerliteSiO2Al2O3Na2OK2OFe2O3MgOCaOLoss on ignition (chemical/combined water)70-75%12-15%3-4%3-5%0.5-2%0.2-0.7%0.5-1.5%3-5%Size:Perlite Sand, Unexpanded Perlite: ...