Dimensions of raw perlite produced in our company; 0 - 0.4 mm (Micronized) Raw chemicals are used as adhesives in the construction sector. If the food and pharmaceutical industry expanded filtration (straining) are used. 0.4 - 0.8 mm (Micronized) Gypsum as a raw material used in the construction industry. 0.8 - 1.5 mm The construction industry with raw plaster sand and heavy insulation used in casting industry. If the soil used in agriculture expanded. (Valuable) 1.5 - 3.5 mm Crude as the heavy cast iron industry. (valuable) Note: Industries use raw or expanded perlite is written in general. There are many more uses of the different industry and location detail. Warning: desired dimensions can be produced.</p>