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Help CenterCH-F7566 Fluororubber Material | High-Temperature FKM Seals for Aerospace, Oil & Gas Applications
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CH-F7566 High-Performance Fluororubber (FKM) Sealing Material
Product Overview
CH-F7566 is a high-performance fluororubber (FKM) sealing material developed for demanding industrial environments requiring exceptional chemical resistance, thermal stability, and long-term sealing reliability.
Based on advanced fluorocarbon elastomer technology and enhanced through an organic peroxide vulcanization system, CH-F7566 provides excellent resistance to oils, fuels, acids, alkalis, ozone, weathering, and aging. The material also exhibits outstanding gas impermeability and flame-retardant properties, making it suitable for critical sealing applications in aerospace, oil & gas, petrochemical, automotive, and industrial equipment.
With a service temperature range up to 250°C, CH-F7566 maintains sealing performance under extreme operating conditions while minimizing compression set and seal deformation.
Key Features
Excellent High-Temperature Resistance
CH-F7566 maintains stable physical properties under continuous exposure to elevated temperatures and harsh operating environments.
✔ Operating temperature up to 250°C
✔ Excellent thermal aging resistance
✔ Suitable for long-term high-temperature service
Outstanding Chemical Resistance
The fluorocarbon polymer structure provides superior resistance to aggressive media.
✔ Petroleum oils
✔ Fuels and lubricants
✔ Acids and alkalis
✔ Industrial chemicals
✔ Oxidizing environments
Low Compression Set
The material maintains excellent sealing force even after prolonged compression.
✔ Reduced permanent deformation
✔ Extended seal service life
✔ Improved leak prevention
Excellent Environmental Resistance
CH-F7566 performs reliably in outdoor and demanding industrial environments.
✔ Ozone resistance
✔ Weather resistance
✔ UV resistance
✔ Aging resistance
Superior Gas Tightness
Fluororubber materials are widely recognized for their exceptional gas barrier properties.
✔ Suitable for vacuum applications
✔ Reduced gas permeation
✔ Reliable sealing performance
Typical Applications
CH-F7566 is widely used in industries requiring high-performance sealing under extreme conditions.
Aerospace Industry
· Aircraft fuel systems
· Hydraulic sealing systems
· Aerospace O-rings and gaskets
Oil & Gas Industry
· Drilling equipment
· Wellhead sealing systems
· Pipeline sealing components
Petrochemical Industry
· Pumps and valves
· Chemical processing equipment
· High-temperature sealing applications
Compressor Industry
· Compressor shaft seals
· High-pressure sealing systems
· Gas handling equipment
Automotive Industry
· Engine valve stem seals
· Cylinder seals
· Fuel pump seals
· Transmission seals
· Clutch seals
Electronics Industry
· High-temperature sealing components
· Chemical-resistant sealing solutions
Typical Products Manufactured with CH-F7566
· O-Rings
· Rubber Gaskets
· Hydraulic Seals
· Compressor Seals
· Valve Stem Seals
· Fuel System Seals
· Custom Molded Rubber Parts
· Industrial Sealing Kits
Technical Specifications
Property |
Standard |
Value |
Material Type |
FKM |
Fluororubber |
Color |
— |
Black |
Hardness (Shore A) |
ASTM D2240 / ISO 7619-1 / GB/T 531.1 |
75 |
Tensile Strength (MPa) |
ASTM D412 / ISO 37 / GB/T 528 |
12 |
Elongation (%) |
ASTM D412 / ISO 37 / GB/T 528 |
200 |
Compression Set (48h @ 204°C) |
ASTM D395 / ISO 815 / GB/T 7759.1 |
30% |
Minimum Operating Temperature |
— |
-10°C |
Maximum Operating Temperature |
— |
250°C |
Hardness Range |
— |
Shore A 70–90 |
Why Choose CH-F7566?
Compared with conventional rubber materials such as NBR, EPDM, and Silicone, CH-F7566 offers:
Performance |
CH-F7566 FKM |
Heat Resistance |
Excellent |
Oil Resistance |
Excellent |
Chemical Resistance |
Excellent |
Ozone Resistance |
Excellent |
Aging Resistance |
Excellent |
Gas Tightness |
Excellent |
Compression Set Resistance |
Excellent |
Service Life |
Long |
These characteristics make CH-F7566 an ideal solution for critical sealing applications where reliability and safety are essential.
Frequently Asked Questions (FAQ)
What is CH-F7566 fluororubber used for?
CH-F7566 is primarily used for O-rings, gaskets, valve stem seals, compressor seals, fuel system seals, and custom rubber components in aerospace, oil & gas, petrochemical, and automotive industries.
Is CH-F7566 resistant to oil and fuel?
Yes. CH-F7566 provides excellent resistance to petroleum oils, fuels, lubricants, and many industrial chemicals.
What is the operating temperature range of CH-F7566?
The material operates from -10°C to 250°C, making it suitable for both low-temperature and high-temperature sealing applications.
Does CH-F7566 have good aging resistance?
Yes. The material offers outstanding resistance to ozone, weathering, UV exposure, and thermal aging, ensuring long service life.
Can CH-F7566 be used for custom molded seals?
Absolutely. CH-F7566 is suitable for manufacturing O-rings, gaskets, diaphragms, molded rubber parts, and custom-engineered sealing products.
Sealchris Fluororubber Solutions
Sealchris provides high-performance fluororubber materials and sealing products for demanding industrial applications worldwide.
Our capabilities include:
· Standard and custom O-rings
· Rubber gaskets
· Oil & gas sealing systems
· Compressor seals
· Aerospace sealing components
· Custom molded fluororubber parts
With extensive material expertise and engineering support, Sealchris helps customers select the optimal sealing solution for challenging operating environments.
Conclusion
CH-F7566 Fluororubber (FKM) combines exceptional heat resistance, chemical resistance, oil resistance, aging resistance, and low compression set in a single high-performance elastomer.
Designed for aerospace, oil & gas, petrochemical, compressor, automotive, and industrial applications, CH-F7566 delivers reliable long-term sealing performance in some of the world's most demanding operating conditions.
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