Investment casting shell binders and compositions
AssigneeRemet Corporation
InventorsGavin Dooley, Grant Bradley, John Stanley Paraszczak, Manuel Guerra, Jr.
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Abstract
Investment casting shell composition binders comprising hydrophilic fibrils having an average diameter between about 1 nm and about less than 1 μm can be used for the preparation of investment casting shell compositions or slurries. The investment casting shell binders and compositions can be used in an investment casting process to produce investment casting shells with improved shell build thickness and strength.
Claims14
An investment casting shell composition comprising a refractory component and a binder, the binder comprising hydrophilic fibrils having an average diameter greater than 1 nm and less than 1 μm, wherein the hydrophilic fibrils comprise microfibrillated cellulose (MFC).
Dependencies are inferred from the claim text.