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 mmThe 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 mmCrude 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.