The material that makes the plant Perm company "Penosital", known since the 30s of the last century, but the technology of its production is still very closed. This material called foam glass.
First, broken off-grade milled glass powder, then mixed with liquid reagents and c at a high temperature is foamed. According to its structure resembles a frozen foam glass lather, it is used as a universal insulation material.
It is very durable, lightweight, non-flammable, it can not be destroyed by most chemicals, resistance to moisture, it is comparable to granite, and most importantly — a completely eco-friendly (compared, for example, mineral wool).
Now "Penosital" is in talks to expand production and construction of the new plant.