Unexpanded Raw Perlite Ore 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 heated sufficiently. It is an industrial mineral and a commore...
We are dedicatedly engaged in trading and supplying a unique range of Raw Perlite to our highly valued clients. Raw Perlite is a type of volcanic siliceous rock. more...