The Process and Characteristics of Injection Molded Parts:

Utilizes screw-type plunger to force molten plastic material into a mold cavity

Produces a solid or open-ended shape (typically a cavity and core shape) which conforms to the contour of the injection molded part

Injection molds require the use of thermoplastic or thermoset materials

Parting line, sprue, and gate marks are present

Ejector pin marks are usually present on injection molds