Plastic injection molding allows manufacturers to produce large quantities of plastic parts in a fast, efficient, and cost-effective manner. This process injects molten plastic into stiff molds or frames and then applies pressure as the plastic cools.

Using this technique, plastic part manufacturers enjoy a high degree of design flexibility and can create parts of almost any size, shape, or function. This process can also build complex designs with multiple intricate elements. Beyond its versatility and efficiency, plastic injection molding offers manufacturers a number of important advantages by reducing costs as well as the environmental impact of production.


Plastic injection molding brings a long list of benefits to any plastic manufacturing project.

Once the molds are created and equipment programmed, manufacturers can produce large quantities of parts that fit precise specifications. The molds used for plastic injection don’t need to be replaced or adjusted as often as those used for other manufacturing processes. This ensures that more parts are produced in less time without sacrificing precision.

Other advantages of plastic injection molding include:

  • Enhanced strength: Hard plastic parts must be strong and durable to function effectively. Manufacturers that use other plastic forming methods usually cannot modify or reinforce their products; however, during the plastic injection molding process, fillers can be added to the molds to reduce the plastic material’s density. After molding is complete, these parts exhibit greater resistance to pressure, which makes them more reliable in heavy-duty jobs.
  • Customization potential: Plastic part manufacturing companies can customize the material and color of their products when they use plastic injection molding. This process also supports the use of a wide variety of polymers and resins.
  • Longer service lives: Products made from plastics have longer service lives than their metal counterparts. Plastic reacts less with chemicals than metal does, which makes it an ideal solution for use in hazardous environments. Using plastic also eliminates the threat of rust and corrosion. Environmentally conscious companies can more easily reuse plastic components in their own operations or recycle them for different purposes.
  • Lower-cost products: Plastic injection molding’s inherent speed and ease reduce its dependence on human operators and attendants. Companies that use this method often see a noticeable drop in labor-related costs.

Plastic injection molding saves money and time while improving quality and output. Plastic injection molders can use either stock molds or create customized molds with clients to achieve high-quality product outcomes.


Using plastic injection molding, manufacturers can produce large volumes of products quickly, efficiently, and with less resources than what other techniques require. This process delivers parts in a finished state that often doesn’t require any additional steps.

Plastic injection molding also supports efforts to protect our common natural resources. Scraps of plastic material that fall off during the production process can be ground up and reintegrated into the production material. Using this technique, manufacturers produce less waste and reduce their expenses.

Mardek offers plastic injection molding for manufacturers of food products, consumer goods, packaging, and appliances. Our processes allow companies to produce any quantity of plastic parts to their exact specifications while incurring lower financial and temporal investments than those required by other manufacturing processes.

In addition to plastic injection molding, Mardek offers a variety of blow molding, machining, structural foaming, and thermoforming services. Contact us to learn how Mardek can help with your company’s next project.

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