A method in the manufacture of steam-cured inorganic insulating material of extremely low volumetric weight and having good heat-insulating properties.

摘要

The invention relates to the manufacture of steam-cured inorganic insulating material from an expandable and solidifiable aqueous starting-material mixture containing hydraulic binder and siliceous material together wiih particles of steam-cured totally hydrophobized aerated light-weight concrete as ballast material.