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US 11,845,694 B2Granted
Composition for forming casting mold and casting mold forming method
AssigneeSintokogio, Ltd.
InventorsKazuyuki Nishikawa, Masanori Tomioka, Yusuke Kato, Tetsuji Matsui, Tomohiro Aoki
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Abstract
The invention relates to a composition for forming a casting mold, the composition containing heat-resistant inorganic particles; a waterglass-based binder; a surfactant; a silicon-containing compound; activated carbon powder and grain; and water; and the silicon-containing compound contains at least one of metal silicon and ferrosilicon.
Claims14
A composition for forming a casting mold, comprising:
- heat-resistant inorganic particles;
- a waterglass-based binder;
- a surfactant;
- a silicon-containing compound;
- activated carbon powder and grain;
- and
- water,
- wherein the silicon-containing compound contains at least one of metal silicon and ferrosilicon, and
- wherein the content of the activated carbon powder and grain is 0.5 to 3.0 parts by mass with respect to 100 parts by mass of the heat-resistant inorganic particles.
6 more elements
Dependencies are inferred from the claim text.