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 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.
As it turns out, many of the problems associated with modeling plastics extrusion are not encountered with rubber.
This is impressive, since PC is one of the toughest modeling plastics available, and it's used in so many end products.

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