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O-Rings

FFKM O-Ring (Perfluoroether)

FFKM (Perfluoroether rubber) O-rings represent the highest performance sealing material, offering near-universal chemical resistance and exceptional high-temperature stability. They combine the resilience of an elastomer with the chemical inertness of PTFE. Widely used in semiconductor manufacturing, aggressive chemical environments, oil & gas exploration, and aerospace applications where failure is not an option.

Standard and custom dimensions Material options for process conditions OEM / ODM and distributor supply
Primary material Perfluoroether Rubber (FFKM)
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Reference specifications

Product data

Values below are a reference starting point. Confirm the final compound, dimensions and test requirements for your operating conditions.

MaterialPerfluoroether Rubber (FFKM)
Hardness (Shore A)75 ± 5
Temperature Range-25°C to +316°C
Pressure RangeUp to 35 MPa
ColorWhite / Black
StandardAS568 / Custom
ApplicationSemiconductor, chemical processing, oil & gas, aerospace
Available hardness75 or 85 Shore A, depending on grade
Reference tensile strength11.2-22 MPa
Reference elongation at break91-270%
Shade optionsBlack / white / amber
Available formsO-rings, D-rings, flat washers and custom profiles

Application fit

Typical industries and related products

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SemiconductorFood & BeverageChemical Processing

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