It is used for thermal insulation of buildings and structures at ambient temperature.
Raw materials for production: cullet, silica sand, limestone, dolomite and basalt rocks of up to 30%, blast-furnace slag and steel.
The resulting building insulation has short fibers and low modulus of 1.4-1.6 pH (DSTU B V.2.7-94-2000 (GOST 4640-93), hygroscopic, does not withstand vibration, has a low chemical resistance and low mechanical strength.
The binders used additives phenol resin. (Reference: International Agency for Research on Cancer (IARC) Press release number 153 of 15 June 2004 has classified formaldehyde as a substance that causes cancer in humans.)
For imparting water repellency using silicone emulsions, technical and mineral oils.
When laying such high temperature insulation on the surface, the binder burns out at a temperature of 100 to 200 ° C.
Influence of temperature and vibration leads to the destruction of the heat-insulating layer (shattering), increase the heat to the insulated equipment, causing heat loss.
Given the low performance of the application of building insulation thermal energy facilities and industrial equipment impractical.
It is used for thermal insulation and high communications equipment at thermal power, mining and metallurgy, coke.
Raw materials for production: natural basalt.
Technical chemically inert insulation has low thermal conductivity and high modulus pH 4.2-4.5.
Technical insulation is manufactured in the form of tufted mats, cardboard, cords, use of a constant temperature of 450 ° C to 850 ° C.
Withstands high temperature and vibration for a long time without changing the original properties and characteristics.
Given the lack of phenol-formaldehyde binders and waterproofing additives, technical insulation of basalt during heating does not emit harmful substances.
To date, all communications and heat power equipment insulated mats from natural basalt domestic production of what is technically feasible and economically justified.