FKM - FPM - Viton® O-Rings
Are you looking for a reliable seal that can withstand harsh industrial conditions? Discover the fkm 0-ring , fpm o-ring or viton o-ring designed for maximum performance and durability in challenging environments. Read on to find out how this versatile O-ring can protect your systems against extreme temperatures and chemicals.
Product name: FKM O Ring
Chemical Name: fluoroelastomer o rings
Hardness: 60 Shore A
Material: FKM – FPM – Viton
Temperature range: -15°C to +200°C
Properties: Excellent resistance to thermal and chemical influences, ozone, weather conditions, and aging. Very low gas permeability, ideal for vacuum applications.
Resistant to: Mineral oil-based oils and fats,aliphatic hydrocarbons, aromatic hydrocarbons, chlorinated hydrocarbons,HFD pressure fluids, vegetable and animal oilsand fats, silicone oils and greases, motor fuels, non-polar solvents, ozone, weather conditions, aging
Not resistant to: Glycol-based brake fluids,polar solvents (e.g, acetone), superheatedsteam, hot water, amines, alkalis, lowmolecular-weight acids (e.g, acetic acid).
FKM O-Rings - 70 Shore A

Product name: FKM O Ring
Chemical Name: fluoroelastomer o rings
Hardness: 70 Shore A
Material: FKM – FPM – Viton
Temperature range: -15°C to +200°C
Properties: Excellent resistance to thermal and chemical influences, ozone, weather conditions, and aging. Very low gas permeability, ideal for vacuum applications.
Resistant to: Mineral oil-based oils and fats,aliphatic hydrocarbons, aromatic hydrocarbons, chlorinated hydrocarbons,HFD pressure fluids, vegetable and animal oilsand fats, silicone oils and greases, motor fuels, non-polar solvents, ozone, weather conditions, aging
Not resistant to: Glycol-based brake fluids,polar solvents (e.g, acetone), superheatedsteam, hot water, amines, alkalis, lowmolecular-weight acids (e.g, acetic acid).
FKM O-Rings - 70 Shore A -Superior

Product name: FKM O Ring
Chemical Name: fluoroelastomer o rings
Hardness: 70 Shore A
Material: FKM – FPM – Viton – Superior
Temperature range: -25°C to +200°C (short-term: +230°C
Certifications: FDA, EC 1935/2004,USP Class VI, BAM, ADI free, GB 4806.11-2016,EN 549
Properties: Excellent resistance to thermal and chemical influences,ozone, weather conditions, and aging.Very low gas permeability, ideal for vacuum applications.
Resistant to: Mineral oil-based oils and fats, aliphatic hydrocarbons,aromatic hydrocarbons,chlorinated hydrocarbons, HFD pressure fluids,vegetable and animal oils and fats,silicone oils and greases, motor fuels,non-polar solvents, ozone, weather conditions, aging.
Not resistant to: Glycol-based brake fluids, polar solvents (e.g., acetone),superheated steam, hot water, amines,
alkalis, low-molecular-weight acids(e.g, acetic acid)
FKM O-Rings - 75 Shore A

Product name: FKM O Ring
Chemical Name: fluoroelastomer o rings
Hardness: 75 Shore A
Material: FKM – FPM – Viton
Temperature range: -15°C to +200°C
Properties: Excellent resistance to thermal and chemical influences, ozone, weather conditions, and aging. Very low gas permeability, ideal for vacuum applications.
Resistant to: Mineral oil-based oils and fats,aliphatic hydrocarbons, aromatic hydrocarbons, chlorinated hydrocarbons,HFD pressure fluids, vegetable and animal oilsand fats, silicone oils and greases, motor fuels, non-polar solvents, ozone, weather conditions, aging
Not resistant to: Glycol-based brake fluids,polar solvents (e.g, acetone), superheatedsteam, hot water, amines, alkalis, lowmolecular-weight acids (e.g, acetic acid).
O-ring FKM - 75 Shore A -Conform FDA & EC1935/2004

Product name: FKM O Ring
Chemical Name: fluoroelastomer o rings
Hardness: 75 Shore A
Material: FKM – FPM – Viton – Conform FDA & EC1935/2004
Temperature range: -25°C to +200°C(short-term: +230°C
Certifications: Conforms to FDA & 6C1935/2004
Properties: Excellent resistance to thermal and chemical influences,ozone, weather conditions, and aging.Very low gas permeability, ideal for vacuum applications.
Resistant to: Mineral oil-based oils and fats, aliphatic hydrocarbons,aromatic hydrocarbons,chlorinated hydrocarbons, HFD pressure fluids,vegetable and animal oils and fats,silicone oils and greases, motor fuels,non-polar solvents, ozone, weather conditions, aging.
Not resistant to: Glycol-based brake fluids, polar solvents (e.g., acetone),superheated steam, hot water, amines,
alkalis, low-molecular-weight acids(e.g, acetic acid)
O-ring FKM - 75 Shore A - Superior

Product name: FKM O Ring
Chemical Name: fluoroelastomer o rings
Hardness: 75 Shore A
Material: FKM – FPM – Viton- Superior
Temperature range: -15°C to +200°C
Properties: Excellent resistance to thermal and chemical influences, ozone, weather conditions, and aging. Very low gas permeability, ideal for vacuum applications.
Resistant to: Mineral oil-based oils and fats,aliphatic hydrocarbons, aromatic hydrocarbons, chlorinated hydrocarbons,HFD pressure fluids, vegetable and animal oilsand fats, silicone oils and greases, motor fuels, non-polar solvents, ozone, weather conditions, aging
Not resistant to: Glycol-based brake fluids,polar solvents (e.g, acetone), superheatedsteam, hot water, amines, alkalis, lowmolecular-weight acids (e.g, acetic acid).
FKM O-Rings - 80 Shore A

Product name: FKM O Ring
Chemical Name: fluoroelastomer o rings
Hardness: 80 Shore A
Material: FKM – FPM – Viton
Temperature range: -15°C to +200°C
Properties: Excellent resistance to thermal and chemical influences, ozone, weather conditions, and aging. Very low gas permeability, ideal for vacuum applications.
Resistant to: Mineral oil-based oils and fats,aliphatic hydrocarbons, aromatic hydrocarbons, chlorinated hydrocarbons,HFD pressure fluids, vegetable and animal oilsand fats, silicone oils and greases, motor fuels, non-polar solvents, ozone, weather conditions, aging
Not resistant to: Glycol-based brake fluids,polar solvents (e.g, acetone), superheatedsteam, hot water, amines, alkalis, lowmolecular-weight acids (e.g, acetic acid).
FKM O-Rings - 80 Shore A - FDA -Superior

Product name: FKM O Rings
Chemical Name: fluoroelastomer o rings
Hardness: 80 Shore A
Material: FKM – FPM – Viton – FDA – Superior
Temperature range: -15°C to + 200°C (with special grades down to -50°C)
Certifications: FDA, EC1935/2004, 3-A Sanitary
Properties: Excellent resistance to thermal and chemical influences,ozone, weather conditions, and aging.Very low gas permeability, ideal for vacuum applications.
Resistant to: Mineral oil-based oils and fats, aliphatic hydrocarbons,aromatic hydrocarbons,chlorinated hydrocarbons, HFD pressure fluids,vegetable and animal oils and fats,silicone oils and greases, motor fuels,non-polar solvents, ozone, weather conditions, aging.
Not resistant to: Glycol-based brake fluids, polar solvents (e.g., acetone),superheated steam, hot water, amines,
alkalis, low-molecular-weight acids(e.g, acetic acid)
FKM O-Rings - 90 Shore A

Product name: FKM O Rings
Chemical Name: fluoroelastomer o ring
Hardness: 90 Shore A
Material: FKM – FPM – Viton
Temperature range: -15°C to + 200°C
Properties: Excellent resistance to thermal and chemical influences, ozone, weather conditions, and aging. Very low gas permeability, ideal for vacuum applications.
Resistant to: Mineral oil-based oils and fats,aliphatic hydrocarbons, aromatic hydrocarbons, chlorinated hydrocarbons,HFD pressure fluids, vegetable and animal oilsand fats, silicone oils and greases, motor fuels, non-polar solvents, ozone, weather conditions, aging
Not resistant to: Glycol-based brake fluids,polar solvents (e.g, acetone), superheatedsteam, hot water, amines, alkalis, lowmolecular-weight acids (e.g, acetic acid).
FKM O-Rings - 90 Shore A - AED

Product name: FKM O Rings
Chemical Name: fluoroelastomer o rings
Hardness: 98 Shore A
Material: FKM – FPM – Viton – AED
Temperature range: -27°C to +230°C
Certifications: AED (Anti Explosive Decompression)
Properties: Excellent resistance to thermal and chemical influences, ozone, weather conditions, and aging.Very low gas permeability, ideal for vacuum applications. Specially developed for high-pressure gas applications, resistant to high pressure, excellent compression set.
Resistant to: Mineral oil-based oils and fats, aliphatic hydrocarbons, aromatic hydrocarbons, chlorinated hydrocarbons, HFD pressure fluids vegetable and animal oils and fats.silicone oils and greases, motor fuels non-polar solvents, ozone, weather conditions, aging.
Not resistant to: Glycol-based brake fluids, polar solvents (e.g., acetone),superheated steam, hot water, amines, alkalis, low-molecular-weight acids(e.g, acetic acid)
What is Fluorocarbon rubber (FKM)?
FKM – FPM – Viton O-Rings are sealing rings made of Fluorocarbon rubber. FKM is a synthetic rubber known for its excellent resistance to high temperatures, oils, fuels, chemicals, and ozone.
The key properties of FKM O-rings include their wide temperature range, typically from -20°C to 200°C (and sometimes higher depending on the composition), making them suitable for applications with extreme temperatures. FKM O-rings also offer excellent chemical resistance to oils, fats, fuels, solvents, acids, and bases, which is why they are widely used in automotive, aviation, chemical processing, and other industries where sealing under demanding conditions is crucial.
FKM – FPM – Viton O-Rings are available in various compositions and hardness levels to meet specific application requirements. They provide durable and reliable sealing properties in various critical applications.
FKM - Viton® O-rings
Viton is a well-known brand of Fluorocarbon rubber (FKM) O-rings, developed by The Chemours Company. FKM – FPM – Viton O-Rings falling under the Viton brand are highly valued for their excellent resistance to high temperatures, chemicals, oils, and fuels.
The Viton brand offers different FKM materials with specific properties tailored to various applications. FKM – FPM – Viton O-Rings are suitable for use in industrial and automotive environments where durable and reliable sealing is required under extreme conditions. They retain their elasticity and sealing performance over a broad temperature range and resist degradation from ozone and UV radiation.
The Viton brand is known for its quality, reliability, and performance in demanding industries such as chemical processing, aviation, and oil and gas.
Advantages of FKM O-rings
FKM (Fluorocarbon) O-rings offer various advantages that make them suitable for critical sealing applications. One key advantage is their excellent resistance to high temperatures, with a typical temperature range of -20°C to 200°C (and sometimes higher). This makes FKM – FPM – Viton O-Rings ideal for applications where extreme temperatures are involved.
Additionally, FKM O-rings exhibit excellent chemical resistance to oils, fats, fuels, solvents, acids, and bases. They maintain their sealing performance and elasticity in demanding environments and are suitable for use in automotive, aviation, chemical processing, and other industries.
FKM – FPM – Viton O-Rings are durable, have a long service life, and provide reliable sealing properties even under demanding conditions. Their versatility and wide applicability make FKM O-rings a popular choice for various critical sealing applications.
Applications of Fluorocarbon rubber
FKM (Fluorocarbon) O-rings are widely used in various industries due to their excellent properties. They are commonly used in automotive applications, including engines, transmissions, fuel systems, and air conditioning compressors, due to their resistance to oils, fuels, and high temperatures.
Additionally, FKM – FPM – Viton O-Rings are used in the aviation industry for sealing fuel systems, hydraulic systems, and engines of aircraft due to their chemical resistance and reliability.
FKM O-rings are also used in chemical processing plants, oil refineries, pharmaceutical equipment, and pumps due to their resistance to a wide range of chemicals and aggressive media.
In summary, FKM – FPM – Viton O-Rings are versatile and deployed in critical applications where durable sealing and reliable performance under demanding conditions are required.
Disadvantages of FKM O-rings
Despite the many advantages, FKM (Fluorocarbon) O-rings have some disadvantages to consider. One major drawback is that FKM – FPM – Viton O-Rings are generally more expensive compared to some other types of rubber, such as NBR (Nitrile rubber). This can affect project costs, especially for large-scale applications.
If you are looking for NBR O-rings, please click here.
Additionally, FKM O-rings may be less suitable for certain applications where extreme compression or dynamic movements are required, as they are more susceptible to permanent deformation and reduced elasticity under such conditions.
Finally, FKM – FPM – Viton O-Rings have limited resistance to certain steam conditions and hot water vapors, which can restrict their range of applications in steam and hot water installations. It’s important to evaluate the compatibility of FKM O-rings with specific environmental factors before application.
Focus on R&D of new high-performance rubber materials
Suitable for high speed, high pressure, high temperature, oil, chemical and ozone resistant applications.
Ruihong’s advantages

- Meets the requirements of oil resistance, high temperature resistance, aging resistance, corrosion resistance and other performance requirements with food-grade materials.
- The precision O-ring seals are manufactured through 12 processes and more than 50 parts to ensure the stable sealing performance of the products.
- It will not have chemical reaction with the contacted food, which will change the taste, smell and color of the food.
- Emerging design teams link Ruihong’s material and process characteristics with new market opportunities to create new products and businesses across the board.
Lean manufacturing for better value for money
Implementation of IATF16949 system standards, 6S on-site management


High-precision molds Self-manufactured
Adopting stable performance production vulcanizing unit and precision machining center CNC, the company has a complete set of production process to ensure the sealing and quality stability of the products.
Scale mass production Strict quality control
Products are manufactured in accordance with national standards, AS568, JIS and other standards, the materials have passed ROHS, REACH, FDA and other third-party certification, the products are fine, the mold is highly accurate, no burrs and bumps.
All-round testing and reliable quality
Precision testing instruments to ensure the qualification rate of the product, layer by layer, to prevent defective products into the hands of customers, the production process is strictly controlled to achieve the prevention of the process under control, and can be traced after the event.
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Global Quality System Certification (GQS)

Ruihong o-ring · Customized service

What can Ruihong do for you?
★ruihong provides you with OEM/ODM processing services.
★Provide rubber sealing products of each industry standard
★Development of molds according to the drawings you provide
★Research and development of material formulas according to the technical requirements of the product industry
★Provide customers with technical requirements and technical support for new product development.
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