I - Polymer Processing Glossary of Terms

>> Sunday, 22 February 2009

Impact strength - The ability of a material to withstand shock loading.
Inert additive - A material added to a plastic compound, such as a filler, which may alter the properties of the finished article but which does not react chemically with any other constituents of the composition.
Injection pressure - Pressure exerted on plastic to fill, pack, and hold mold. Comprised of Boost and Hold pressure.
Injection ram - The ram which applies pressure to the plunger in the process of injection molding.
In-mold decorating - The process of applying labels or decorations to plastic articles simultaneously with the molding operation.
Interference fit - The mating of two points, lines, or surfaces, the dimensions of which cause negative clearance between them.

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