Is Perlite Toxic?

Perlite, a silica-containing rock, is non-toxic, inert, asbestos free and will not rot. The rock has the capability to expand up to 20 times its original size when heated.

Keywords: perlite characteristics, soil components, perlite toxicity

About this Author

Jennifer Loucks has been writing since 1998. She previously worked as a technical writer for a software development company, creating software documentation, help documents and training curriculum. She now writes hobby-based articles on cooking, gardening, sewing and running. Loucks also trains for full marathons, half-marathons and shorter distance running. She holds a Bachelor of Science in animal science and business from University of Wisconsin-River Falls.