| 摘要 |
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.
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