Colloidal silica water based slurry system for investment castin

Details Colloidal silica water based slurry system for investment castin Colloidal silica water based slurry system for investment castin

1989-06-30

1991-02-26

Bell, Janyce

Coating processes

Mold coating

106 3825, 106 3835, 106 383, 106 386, 427322, 4274193, B05D 300

Patent

active

049960849

ABSTRACT:
A water based slurry for use as backup coat on a wax model has colloidal silica and milled zircon as primary ingredients. The slurry is utilized as a backup coat on a wax model used in a lost wax investment casting technique. The slurry comprises of colloidal silica, a latex glue, ammonium alginate, a wetting agent, milled zircon, tabular alumina, glass rock and an anti-foaming agent.

REFERENCES:
patent: 2806270 (1957-09-01), Shaul
patent: 2990292 (1961-06-01), Rempes
patent: 3748156 (1973-07-01), Moore
patent: 3752679 (1973-08-01), Moore
patent: 3752680 (1973-08-01), Moore
patent: 3752689 (1973-08-01), Moore
patent: 3752689 (1973-08-01), Moore
patent: 3754945 (1973-08-01), Moore

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