disodium,dioxido(oxo)silane,pentahydrate, SODIUM METASILICATE PENTAHYDRATE, Sodium metasilicate pentahydrate, Sodium metasilicate 5H2O, SODIUM METASILICATE PENTAHYDRATE GRANULAR, SODIUM METASILICATE SOLUTION, METSO 520, Sodium metasilicate pentahydrate, Metso Pentabead 20, Simet 5 GS M