Start Products Applications Certificates News Assistance Contact Expanded Minerals ACCIMIN OUR PRODUCTS Filter help An aid filter is a filtering auxiliary product that is finely divided, does not intervene chemically in the filtered product (inert), is not compressed by the filter pressure (incomprehensible), mixes easily and intimately (light), retaining the solids in suspension (porous) and lengthening the filtration cycles (permeable). Carlita The industrialization process of this material involves the following steps: extraction from the mine, grinding, screening, drying, transportation to the expansion plant, where this process is carried out, which consists of heating up to 1100ºC and the Retained water is transformed into steam that acts as an expander and converts the mineral into an amorphous granular particle, made up of closed microcells with an increase in particles of up to 20 times their original volume. Pearlite The unexpanded Perlite mineral is a vitreous rock of volcanic origin that is extracted from an open pit mine. The manufacturing process consists of primary and secondary crushing, drying and grading, obtaining 8 different grades. Trademarks Notice of Privacy