Vermiculite is a hydrous phyllosilicate mineral which undergoes significant expansion when heated. Exfoliation (other links: A, B) occurs when the mineral...

for building materials Shale Pumice Slag Vermiculite - many expanders of perlite are also exfoliating vermiculite and belong to both trade associations As...

and vermiculite. Palabora also has processing facilities on site for the production of purified copper from mined copper ore, and a vermiculite recovery...

used as insulation. Some deposits of vermiculite are contaminated with small amounts of asbestos. One vermiculite mine operated by W. R. Grace and Company...

world's largest producer of chrome, manganese, platinum, vanadium and vermiculite. It is the second largest producer of ilmenite, palladium, rutile and...

paint-on treatments. The bumpy surface is created by tiny particles of vermiculite or polystyrene, which gives the ceiling sound-deadening properties. Mixtures...

contrasted effect: highly hydrated magnesium ions are "swellers" as in vermiculite (totally expanded interlayer) while poorly hydrated potassium ions are...

similar properties and uses to vermiculite but, in general, holds more air and less water and is buoyant. Like perlite, vermiculite is a mineral that has been...

for a period one to three months. Seeds are placed in a medium such as vermiculite, peat, or sand and refrigerated in a plastic bag or sealed container...

protection from total flame engulfment. Most commonly made of Zetex or vermiculite and not aluminized. These provide ambient protection up to ≈2,000 °F...