New article on perlite

Perlite is useful as a component in potting soil, filter aids and insulation in buildings. Technically a volcanic glass, the mineral is cooked to high temperatures, a process that imbues it with many unique qualities that make it useful as insulation. Perlite is sometimes mixed with cement to improve its fire rating, but loose-fill perlite is common, as well. To find out more, check out our new article on perlite.