FIELD: chemistry.
SUBSTANCE: invention relates to heat-insulating materials, in particular to foam-glass. Crushed zeolite-containing ore with NaOH water solution with the following ratio, wt %: zeolite-containing ore - 75-80, NaOH - 15-20. Raw mixture is granulated, granules are dried, kept in the air for 1-4 days. Foaming is performed at temperature 680-800°C.
EFFECT: extension of range of foam-glass density from 150 to 600 kg/m3 and creation of method of manufacturing foam-glass, safe for furnace equipment and environment.
1 tbl, 2 dwg
| Title | Year | Author | Number |
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