Perlite is an amorphous volcanic glass that has a relatively high water content, typically formed by the hydration of obsidian. It occurs naturally and has the unusual property of greatly expanding when
Dicaperl Functional Filler Perlite Microspheres are a very cost-effective, of perlite fillers requires advanced manufacturing and classification techniques to Once our perlite ore is shipped to one of our five perlite microsphere expansion
The perlite is an acidic, glassy volcanic rock containing a certain amount of adherent water a pyroplastic state and the pressure of the inner adherent water creates a spatial expansion. development of the grinding and classifying works
of recently-proposed classification systems are included and some com- ments made on problems . Expansion. Non-swelling . *Not specified: it is therefore not clear whether dioctahedral vermiculite would be included here or not. TYPE A.