Perlite, a naturally occurring volcanic glass, is thermally expanded to form a low-density, porous aggregate prized for its insulating and lightweight characteristics. When incorporated into composite ...

RENO, Nev.--(BUSINESS WIRE)--EP Minerals, LLC, a U.S. Silica company and global leader in industrial minerals and engineered materials, announced today that it will implement a 3-6% price increase on ...

Perlite is a volcanic rock that increases circulation and moisture retention in soil. There are different grades of coarseness perlite is available in, and they each have different uses and benefits.

Mineral powder of perlite with the chemical composition of Si, 33.8; Al, 7.2; Na, 3.4; K, 3.5; Fe, 0.6; Ca, 0.6; Mg, 0.2; trace elements, 0.2; O2, 47.5 and H 2 O, 3.0 ...