The special (high chemical resistance, low thermal expansion, no tendency toward crystallisation) foam glass for low temperature (to-180C) insulation was based on glasses of the system SiO2-Al2O3-B2O3-B2O3--CaO-MgO-Na2O-K2O with addition of GD-100 gas black.
Origin
Unknown
Journal Title
Stroit. Mater. Silikat Prom., 1971, 12 (10), 16017
Sector
Primary Papers
Class
PP 1021