How vermiculite is made - material, history, used, processing .The term vermiculite applies to a group of minerals characterized by their ability to expand into long, worm-like strands when heated. This expansion process is.vermiculite processing related,Vermiculite Processing - US EPA11.28 Vermiculite Processing. 11.28.1 Process Description1-9. Vermiculite is the geological name given to a group of hydrated laminar minerals that are.
vermiculite processing related