Is this Material PFAS-Free*
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* PFAS-Free here means we do not intentionally add PFAS material in the product, but does not exclude the possibility of traces, as these materials are common in the environment.
Contact our engineers to learn more and start the discussion on how we can support you to meet the requirements of your application.
5 Questions About Meldin® Polyimides
Meldin® polyimides are high-temperature polymers capable of continuous operation up to 600°F, offering exceptional strength, dimensional stability, and resistance to extreme environments.
Meldin® Polyimides provide superior thermal and mechanical stability, and exceptional wear resistance, making them ideal for mission-critical applications.
Meldin® Polyimides are primarily used in aerospace components such as seals, bearings, and insulators, as well as in semiconductor manufacturing where thermal stability and purity are critical.
Yes. Meldin® Polyimides include reinforced grades for wear resistance, grades optimized for load resistance, and low-friction variants for sliding applications.
A common misconception is that polyimides are prohibitively expensive. In reality, they deliver long-term cost savings by outperforming other materials in extreme conditions.
Meldin® Polyimides features & benefits
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R&D formulation development
The entire Meldin® Polyimides series was developed by R&D by modifying the formulation to enhance the performances of the components.
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Direct forming and machining
Some grades of this series can be direct formed and machined to adapt to all kind of requests.
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Collaborative partnerships with engineers
With collaborative support from the engineering team and in-house testing, material formulations can be adjusted to your requests.
Meldin® Polyimides successful applications
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Meldin® Polyimides
2000 PI Based
The legacy material range of Omniseal Solutions, the Meldin® 2000 series, offers excellent tensile strength and elongation, high compressive strength, and strong dimensional stability.
Used in
often used as a bearing material, offers low friction, high strength, and resistance to compressive creep
Meldin® Polyimides
6000 PI Based
The Meldin® 6000 Polyimide (PI) Based series from Omniseal Solutions offers self-lubrication, long durability under high temperature and load, and high resistance to radiation and chemical environment.
Used in
used when an economic solution is needed for high-temperature requirements
Meldin® Polyimides
7000 PI Based
A thermosetting polyimide, the Meldin® 7000 material series exhibits extremely high dimensional stability at elevated temperatures. Testing has shown that Meldin® materials have less than 0.04% variation from their original dimensions after cycling from 73°F (22.77°C) to 500°F (260°C) over a two-day period.
Used in
able to withstand thermal shocks very well and has extremely high dimensional stability
Meldin® Polyimides
8000/9000 PI Based
The Meldin® 8000/9000 Polyimide (PI) Based series is a specific range of material formulations, used in bearing cages, for example, due to its strength and its low coefficient of friction. It is a porous structure filled with lubricant.
Used in
combine self-lubricating dry lubricants with a porous structure & originally developed for the aviation and space industries
Meldin® Thermoplastics
Diverse array of engineered Meldin® thermoplastics
Under the Meldin® brand, Omniseal Solutions offers the most complete range of high-performance solutions including one of the top thermoset polyimide materials and a diverse array of engineered thermoplastic products. Each series is designed with unique characteristics and has been proven for specialized applications in aerospace, electronics, and other industries where high thermal resistance and good mechanical properties at high temperatures are required.
Used in
high thermal resistance & good mechanical properties
Rulon® Fluoropolymers
Engineered Proprietary PTFE Compounds
Omniseal Solutions is the only source of genuine Rulon® blended PTFE-filled materials since the creation of Rulon® A, the first blended PTFE material, in the early 1950s for industrial use. Available in hundreds of formulations, the polymer material can be custom designed into bearings, piston rings, cup seals, wear components, and many other critical parts for different industries.
Used in
When low friction or high wear life / abrasion resistance is needed.
Hycomp™ Composites
Engineered Polyimide-Based Composite Materials
Hycomp™ composite materials are made from high temperature thermoset polymers and long carbon or glass fibers for applications requiring high temperature resistance, high mechanical strength and superior wear resistance.
Used in
when high temperature / wear resistance or high mechanical strength is needed
Co-development & Customer Intimacy
Tailor-made solutions through careful and detailed collaboration with customers.
Tailor-made solutions through careful and detailed collaboration with customers.
Material Expertise & Development
A solution's performance is often reliant on the characteristics of the base material used.
A solution's performance is often reliant on the characteristics of the base material used.
Precision Processing & Manufacturing
Omniseal Solutions has been precision manufacturing since the 1950's.
Omniseal Solutions has been precision manufacturing since the 1950's.