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US 2026/0249346 A1Published application
Inorganic water-soluble binder system
AssigneeFoseco International Limited
InventorVincent HAANAPPEL
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Abstract
A composition for making a core for use in a moulding or metal casting process. The composition comprises a particulate refractory material; and a binder composition. The binder composition comprises at least one alkali metal silicate, potassium carbonate; and at least one pozzolanic additive. The cores formed from the composition have high strength and are water-dispersible.
Claims15
A composition for making a core for use in a molding or metal casting process, the composition comprising:
- a particulate refractory material;
- and
- a binder composition comprising:
- 1 to 15 wt % of at least one alkali metal silicate:
- 0.125 to 10 wt % of potassium carbonate;
- and
- 0.5 to 10 wt % of at least one pozzolanic additive
- wherein the binder composition ranges are relative to the weight of the particulate refractory material.
5 more elements
(canceled)
Dependencies are inferred from the claim text.