What you need to know about injection molding

Injection molding, like it’s name hints, is when plastic granules or pellets are melted and injected under pressure to fill a mold. The mold is then cooled and reused to create exact copies of the part.

In this process, hardened plastics are added to a hopper, are melted to a pliable temperature, and pushed into the mold. Pressure is then applied to ensure all corners and edges of the mold are filled, ensuring perfect consistency every time the mold is used.

Thermoplastics like Acrylonitrile-Butadiene-Styrene (ABS), Nylon (PA), Polycarbonate (PC), Polypropylene (PP), and Polystyrene (GPPS) are widely processed through injection molding.

At Harkness Industries, we’re the Northeast’s preeminent injection molder of precision engineered plastic grade plastic components. Our lean, market-oriented organization concentrates on providing “total solutions” to a diverse customer base across many markets.

Harkness offers its customers the advantages of prototyping, engineering, and tooling capabilities, including expertise in utilizing in-house cast urethane to create prototypes. To talk to our team of experts about your next plastics molding project, contact Harkness.

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