BLEND FOR PREPARING FOAM GLASS Russian patent published in 2000 - IPC

FIELD: manufacture of building materials. SUBSTANCE: blend comprises milled glass and carbonate foaming agent. Additionally, blend comprises surface active additive such as high-silicon clay, ratios of components being as follows, wt %: carbonate foaming agent, 1.5-2.0; high-silicon clay, 4.5- 6.0; and milled glass, the balance. EFFECT: wide range of raw materials due to using clays and broken window and container glass reduced water absorption and lower foaming temperature and longer service of foaming molds and furnaces. 2 tbl