Plaster molding is done with an A and a B in plaster which are reuseable, as
compared with solid mold investment casting in which the mold is used but once.
At 12:31 PM 12/3/99 -0800, you wrote:
>Hello Tom & Doris:
>
>Just a quick note to add to Tom's comments:
>
>1) Plaster Molding or rubber-plaster molding is different from the solid flask
>investment casting that Tom described.
>Rubber-Plaster is used to prototype diecasting (among other methods) and is
based
>upon rubber take-offs of a master pattern. It does not use a wax or a
>"lost-pattern" and also requires a permeability to be structured in the plaster
>(more so than solid flask).
>
For more information about the rp-ml, see http://ltk.hut.fi/rp-ml/
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