RAW MATERIAL FOR SINTERED BLACK MULLITE, SINTERED BLACK MULLITE AND ITS PRODUCTION

RAW MATERIAL FOR SINTERED BLACK MULLITE, SINTERED BLACK MULLITE AND ITS PRODUCTION

PURPOSE:To provide a sintered black mullite having remarkably improved problems of swell (blister), color shade (stain) and foreign matters. CONSTITUTION:The objective raw material for sintered black mullite contains 100 pts.wt. of mullite powder and 2-8 pts.wt. of a black-coloring agent consisting...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: NAKAI ZENJIRO, EGUCHI KAZUKO
Format: Patent
Sprache:eng
Schlagworte:
ARTIFICIAL STONE
CEMENTS
CERAMICS
CHEMISTRY
COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS
CONCRETE
LIME, MAGNESIA
METALLURGY
REFRACTORIES
SLAG
TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:PURPOSE:To provide a sintered black mullite having remarkably improved problems of swell (blister), color shade (stain) and foreign matters. CONSTITUTION:The objective raw material for sintered black mullite contains 100 pts.wt. of mullite powder and 2-8 pts.wt. of a black-coloring agent consisting of 20-30wt.% of iron oxide, 15-33wt.% of cobalt oxide, 10-30wt.% of manganese oxide and 15-40wt.% of chromium oxide.