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News & Resources

NuSil Technology Introduces New Fluorosilicone Elastomer for Medical Implant Applications

MED-5440 is a 100 mol % fluorosilicone elastomer that resists swell caused by dimethyl fluids and most solvents or oils. In addition, this product offers the following:

•Rapid cure with heat
•Compatibility with liquid injection molding equipment
•Wide range of application feasibility
•Translucent appearance

Carpinteria, California, February 5, 2013 — NuSil Technology LLC , a global leader in silicone materials for the healthcare, pharmaceutical and drug delivery industries, introduces MED-5440, a translucent 100 mol % fluorosilicone elastomer designed to be used with liquid injection molding equipment.

As a fluorosilicone, MED-5440 resists swell when in contact with or immersed in dimethyl fluids and most solvents or oils. Some typical applications for MED-5440 include O-rings, gaskets, seals, and precision molded parts for implant applications requiring silicones of medium durometers that resist swell.

“MED-5440 is an excellent choice for molding high quality silicone parts that require some degree of resistance to solvents, alcohols, fluids or oils,” said Brian Reilly, Marketing & Sales Director — Medical Implants. “This versatile product can be ideal for molding septums, o-rings or gaskets for which swelling is a concern when the device is exposed to certain environments.”

MED-5440 is a two-part silicone rubber with a 1:1 mix ratio and a Type A durometer of 40. Designed for liquid injection molding processes, the MED-5440 cures rapidly when exposed to heat.


About NuSil Technology LLC
 NuSil is a leading formulator of silicone compounds for the medical implants, healthcare, aerospace and defense, electronics and engineering, and skin care markets for applications requiring precise, predictable materials performance. ISO 9001-certified since 1994, NuSil operates state-of-the-art laboratories and processing facilities in North America and provides on-site, in-person application engineering support worldwide.