Surface treatments for medical-grade die castings that are biocompatible are available from Ansel Rockefeller's blog

Stainless steels were traditionally thought to be the only materials that could be used to manufacture biocompatible medical devices that were approved by the Food and Drug Administration (FDA). Innovations in die casting surface treatments, on the other hand, allow medical manufacturers to choose from a variety of specialized coatings and surface finishes to meet the stringent testing and validation requirements of the FDA and the European Medicines Agency (EMA). Today, you are not required to limit your material selection to only one or two choices. While maintaining FDA compliance, using Dynacast surface treatments allows you to benefit from the speed and cost savings of zinc multi-slide casting or our thin wall aluminum casting while still meeting your production needs.The production of light alloys using high pressure die casting.


Aluminum that has been anodized for use in medical castings

The high thermal conductivity of aluminum makes it a popular choice in a wide range of applications due to its weight-to-strength ratio, low manufacturing costs, and ability to be colored, all while maintaining a low weight-to-strength ratio. Manufacturers of medical and health-care products can take advantage of the advantages of aluminum for external medical applications by using surface finishes that are designed to be highly biocompatible.



In the medical industry, the process of anodizing aluminum is frequently a critical first step that allows for the application of other necessary surface treatments while also increasing the material's durability and resistance to corrosion. Anodizing is an electrochemical process that transforms the surface of aluminum into a porous aluminum oxide, resulting in an end product with a finish that is more receptive to coloring or protective coatings, such as parylene. It is a safe and environmentally friendly process. The implications for healthcare are that anodized aluminum medical equipment will last longer and will be designed to comply with biocompatibility regulations.The production of light alloys using high pressure die casting.


There are a variety of other options available for metal medical components that do not need to be highly biocompatible, such as anodized aluminum, parylene, and conversion coating, if the regulations are less stringent. Our team at Dynacast has years of experience in the medical industry, including streamlining FDA validation processes.


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By Ansel Rockefeller
Added Jan 20

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