FOR IMMEDIATE RELEASE
Contact:
M-Cor Inc.
Email: customerservice@m-cor.com
Phone: 406.227.0477
Website: www.m-cor.com
M-Cor Inc. Introduces Custom FFKM Molded Seals with Rapid Turnaround and Fully In-House Tooling
[Helena, MT] — [April 3,2025] — M-Cor Inc., a trusted U.S. manufacturer of high-performance sealing solutions since 1987, is pleased to announce its new product offering: custom FFKM (perfluoroelastomer) molded seals designed for extreme applications. This latest capability allows M-Cor to support critical industries with both exceptional quality and accelerated delivery times.
With the launch of this new line, M-Cor now delivers precision-engineered FFKM components using both transfer and compression molding techniques. Unlike many competitors, M-Cor does not outsource mold-making. Instead, the company leverages its full suite of in-house CNC machining equipment, enabling rapid prototyping, short lead times, and greater control over quality and design.
As a result, customers benefit from a streamlined process that significantly reduces turnaround time without compromising performance. Whether the application involves aggressive chemicals, high temperatures, or plasma resistance, M-Cor’s FFKM seals meet the stringent demands of industries such as semiconductor, pharmaceutical, aerospace, and chemical processing.
Furthermore, M-Cor offers a wide range of seal types, including custom-shaped profiles, O-rings, and gaskets, tailored to the customer’s exact specifications. With decades of experience, state-of-the-art technology, and a deep understanding of sealing challenges, M-Cor ensures that every seal meets or exceeds customer expectations.
To learn more or to request a quote for your application, please visit:
FFKM SAMPLE DESIGNS
👉 https://m-cor.com/ffkm-molded-seals-by-m-cor-inc/
Our material of choice: Technoflon® 95HT, developed by Solvay, is readily available and one of the most thermally stable and chemically inert FFKM compounds available. It offers exceptional resistance to aggressive chemicals, acids, amines, and high-temperature steam—performing in environments up to 320°C (608°F). This makes it ideal for:
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Semiconductor processing equipment
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Pharmaceutical and bioreactor systems
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Chemical transport and metering valves
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High-vacuum plasma etch systems
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Aerospace fuel and oxidizer handling
“With Technoflon® 95HT, we can offer our customers FFKM seals that stand up to the most corrosive and extreme environments,” said Rick Mattera, President of M-Cor. “And because we machine our molds in-house, we can deliver these parts in days—not weeks.”
M-Cor’s custom molded FFKM seals are now available in a variety of durometers and profiles, including:
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AS568 O-rings
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Custom gaskets
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Valve seats
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Sealing rings for high-vacuum systems
- Thin wall Tubing
Each part is molded, post-cured, and inspected under tight process control. M-Cor also provides material certification, digital measurement, and full traceability with every order.
In addition to Technoflon® 95HT, M-Cor supports customer-specified FFKM materials such as Kalrez®, Chemraz®, Markez®, and Isolast®, depending on application requirements.
To learn more or request a quote, visit:
👉 https://m-cor.com/ffkm-molded-seals-by-m-cor-inc/
👉 Learn more about Technoflon® 95HT at Solvay’s official page
About M-Cor Inc.
M-Cor Inc. has been producing critical sealing components in the U.S. since 1987. The company specializes in Teflon® encapsulated O-rings, high-purity elastomer extrusions, and now custom molded FFKM seals for demanding industries. With full in-house machining, rapid tooling, and strict quality control, M-Cor delivers the performance and speed that critical applications require.
About M-Cor Inc.
Founded in 1987, M-Cor Inc. manufactures high-performance sealing products, including Teflon® encapsulated O-rings, custom FFKM components, and precision rubber extrusions. The company serves global markets that require tight tolerances, fast lead times, and strict quality control—especially in semiconductor and biotech manufacturing. M-Cor is proud to manufacture and machine all products in the USA.
Discover more at www.m-cor.com, including:
👉 PFAS-Free Encapsulated O-Rings
👉 Close Tolerance FKM Extrusions
👉 Our Quality Commitment
