Medical Device Contract Manufacturing Molding Capabilities

Medical Device Molding

Every medical molding project is unique. Whether yours requires a high- or low-volume run. Whether your component has been in production for years, or has never been beyond the medical device prototyping stage. Whether its form can be described as simple or intricate complexity. Lubrizol Life Science Health brings medical device molding technological expertise and practical execution across the full spectrum of these variables.

Liquid Injection Molding (LIM)

Liquid Injection Molding is the ideal medical silicone molding process when volume, speed and precision are critical. The ability to run with a lower injection pressure means less variation, tighter tolerances and consistent quality. LIM brings faster cycle rates that fill high-volume orders quickly. And, because all of this takes place within a closed system, the clean room molding process is extremely clean. In addition, LLS Health’s LIM lines use fully automated robotic machines and semi-automatic liquid silicone molding equipment to create repeatable precision and manufacturing efficiencies.

Transfer Molding

For shorter production runs or when silicone gumstock is specified, LLS Health offers custom transfer medical molding capabilities. Intricate shape, undercut and thin walls are possible with specially designed molds and the right material. Pre-mixed gumstock is heated then injected through gates and sprues into the mold cavities at pressures of 2,000 to 8,000 psi. Cycle times are relatively short and custom molds are accommodated with ease. For this reason, transfer molding can be especially useful in medical product development.

Dip Casting 

Dip casting might be the best manufacturing method for your silicone medical device, depending on your requirements. It is ideal for forming complex shapes, ultra-thin walls, large cavities and low-durometer and low-friction surfaces, as well as medical device prototyping. The process requires special skill, and Lubrizol Life Science Health has perfected it. 

Insert Molding

The full realization of your device often calls for inserts encapsulated in silicone. Standard medical molding injection presses are not ideally equipped to handle inserts. When your project calls for the insertion of ancillary components into silicone, LLS Health utilizes medical device molding machines that are designed to create securely integrated molded parts.

Silicone Molding Capabilities

Capability Application 
Balloon Molding Balloons
Injection Molding Seals, gaskets, sensors, infusion sleeves, test chambers, pump tubes and valves, manifolds, connectors, flues, breathing cannulas, strain reliefs, "O" ring seals, spring-reinforced tubing
Dip Casting Class II and Class III medical devices
Insert Molding All medical devices