Why Perlite Works

Genesis in Fire Rapidly heating perlite ore to temperatures of about 900°C (1,700°F) softens the volcanic glass causing entrapped water molecules in the rock to turn to steam and expand the particles like popcorn. The expanded particles that result are actually clusters of minute, lightweight, insulating, glass bubbles. Broken bubbles and surface openings on the particles provide for water and …

Health Effects of Perlite

The perlite industry is conscious of its societal responsibility to test their products and to determine what, if any, health effects may be associated with them. The industry is committed to producing safe products. Background and Uses of Perlite Perlite has been mined, processed, and used safely for over fifty years. Grades of perlite from a vast variety of sources …