General Characteristics
Fluoroelastomer rubber is chosen for its exceptional resistance to extreme heat, aggressive fuels, and chemicals. Below are its key performance characteristics:
- ASTM D-2000 Classification: HK
- Military: MIL-R-25897 and MIL-R-83248
- Chemical Definition: Fluorinated Hydrocarbon
- Durometer Range (Shore A): 60-90
- Tensile Range (P.S.I): 500-2000
- Elongation (Max %): 300
- Compression Set: Good
- Resilience-Rebound: Fair
- Abrasion Resistance: Good
- Tear Resistance: Good
- Solvent Resistance: Excellent
- Oil Resistance: Excellent
- Low Temperature Usage (F°): +10° to -10°
- High Temperature Usage (F°): 400° to 600°
- Aging Weather-Sunlight: Excellent
- Adhesion to Metals: Good
depending on time and service condition
FKM Properties & Performance Characteristics
Fluoroelastomer rubber (FKM) offers excellent heat resistance up to 600°F, and withstands a wide range of aggressive substances including aliphatic, aromatic, and halogenated hydrocarbons, acids, and both animal and vegetable oils. It is not recommended for use with ketones, low molecular weight esters, or nitro-containing compounds. In addition to its outstanding chemical resistance, FKM can be bonded to metal components through specialized adhesive systems and curing processes. This makes it ideal for high-performance applications such as bonded seals, gaskets, and vibration-dampening parts where durability and chemical resistance are critical.
Benefits of FKM
Common Uses for Fluoroelastomer Rubber
Fluoroelastomer rubber (FKM) is widely used in fuel system seals, gaskets, and O-rings for automotive and aerospace industries. It is also essential for chemical processing equipment, oil and gas applications, and any environment where extreme heat and chemical resistance are critical for performance and safety.
Related Rubber Materials
Looking for Custom Viton or FKM Rubber Components?
At CMDI, we manufacture custom molded parts from Fluoroelastomer rubber to meet the specific requirements of your application.
Disclaimer: The material properties listed are typical values and may vary depending on formulation. CMDI can provide recommendations based on your application requirements. Always consult our team before specifying materials.