Medical Injection Molding

Medical injection molding is essentially the same as “traditional” injection molding, except that the materials used must be FDA approved medical grade plastics. These materials include PEEK, PEI, Pebax, and numerous other engineered thermoplastic resins. Each material offers unique advantages and disadvantages—companies providing medical injection molding services can generally offer insight as to which material is best suited to a specific application.

Medical injection molding is used to create a wide variety of medical device components. Medical devices often require very small and/or intricate parts, as well as parts that are made of two or more different materials. To address these needs, micro-molding, overmolding, and insert molding processes are often a part of the medical injection molding process.

Because a malfunctioning medical device can literally be the difference between life and death for a patient, it is of utmost importance that parts and components for medical devices are manufactured to match exact design specifications. Medical injection molding must meet extremely tight tolerances to provide products that can meet the industry’s strict standards.

Medical Injection Molding Providers:

  • Stack Plastics, Inc., provides custom injection molding services for medical device components. Since 1995, Stack has offered high quality, high precision medical injection molding using a broad range of standard, engineering, and medical grade plastics.
  • JG Plastics has been producing high quality molds and injection molded parts since 1975. They offer medical injection molding to some of the largest medical companies in the world and can produce both small run custom parts and high volume disposable products.


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