Use of a parison is associated with which one of the following plastic shaping processes:
A)bi-injection molding
B)blow molding
C)compression molding
D)pressure thermoforming
E)sandwich molding

Question

Quizplus · Accepted Answer

Blow molding involves the use of a preform or parison, which is a tube-like piece of plastic with a hole in one end through which compressed air can pass. The parison is heated and placed in a mold, and then air is blown into it, expanding the parison to fit the mold's shape, thus creating the desired hollow object.

Use of a Parison Is Associated with Which One of the Following