Pulverulent composition used in mortar composition including e.g. sand or inert filler, comprises inorganic binder, and glass accelerator and activator including silica, alkali oxide and alkaline earth oxide consisting of e.g. barium oxide

摘要

Pulverulent composition comprises inorganic binder, and glass accelerator and activator including 20 wt.% of silica, 10-80 wt.% of alkali oxide (I) and 0-30 wt.% of alkaline earth oxide consisting of calcium oxide, magnesium oxide strontium oxide or barium oxide. Pulverulent composition comprises inorganic binder, and glass accelerator and activator including 20 wt.% of silica, 10-80 wt.% of alkali oxide of formula (R2O) (I) and 0-30 wt.% of alkaline earth oxide consisting of calcium oxide, magnesium oxide strontium oxide or barium oxide. R2 : Na, Li or K.