modeling plastic

mod·el·ing plas·tic

a thermoplastic material usually composed of gum damar and prepared chalk, used especially for making dental impressions.

mod·el·ing plas·tic

(modĕl-ing plastik)
Thermoplastic material usually composed of gum damar and prepared chalk, used especially for making dental impressions.
Synonym(s): impression compound.
References in periodicals archive ?
The most common materials of Choice for border molding and final impressions were modeling plastic impression compound (90%) and zinc oxide eugenol paste (89%) respectively.
The process involves modeling plastic decomposition at room temperature, removing heat from the plastic and then using a liquid to extract the BPA and PS oligomer.
In addition, Solid Edge's tools for modeling thin regions of parts include new algorithms that give designers more options for modeling plastic and molded components with complex shelling requirements.
As it turns out, many of the problems associated with modeling plastics extrusion are not encountered with rubber.

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