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FFKM O-Rings — High Chemical Resistance

FFKM O-Rings — High Chemical Resistance

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Premium FFKM O-rings designed for demanding chemical, analytical, vacuum and electrochemical applications. Perfluoroelastomer construction provides exceptional resistance to aggressive chemicals, strong acids, alkalis and solvents while retaining the elasticity required for reliable sealing. Available in selected metric sizes for critical laboratory applications.

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  • O-Ring Size — ID × CS

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S4R FFKM O-Rings provide a premium sealing solution for demanding laboratory, chemical, vacuum and electrochemical applications. Their perfluoroelastomer construction combines exceptional chemical resistance with the elasticity required for reliable sealing, making them suitable for applications where conventional fluorocarbon elastomers may not provide sufficient resistance.

Key Features

✓ FFKM perfluoroelastomer construction
✓ Exceptional resistance to aggressive chemical environments
✓ Suitable for strong acids, alkalis and many solvents
✓ High-temperature capability for demanding sealing applications
✓ Selected metric sizes for laboratory equipment
✓ Designed for critical sealing applications

Typical Applications

• Electrochemical and battery research
• Analytical and high-purity chemical systems
• Vacuum and controlled-atmosphere equipment
• Aggressive chemical handling systems
• Semiconductor and materials research
• Critical laboratory sealing applications
Technical Specifications
Material FFKM Perfluoroelastomer
Color Black
Cross-Section Circular
Size Designation Inner Diameter × Cross Section (ID × CS)
Manufacturer-Stated Temperature Range −30 to 350 °C*
Sales Unit 1 O-ring
Available Sizes & Dimensions
Inner Diameter (ID) Cross Section (CS) Outer Diameter (OD)
5.00 mm 1.80 mm 8.60 mm
6.00 mm 1.80 mm 9.60 mm
8.00 mm 1.80 mm 11.60 mm
10.00 mm 1.80 mm 13.60 mm
12.50 mm 2.65 mm 17.80 mm
15.00 mm 2.65 mm 20.30 mm
20.00 mm 2.65 mm 25.30 mm
25.00 mm 2.65 mm 30.30 mm
30.00 mm 3.55 mm 37.10 mm
40.00 mm 3.55 mm 47.10 mm
OD is calculated as ID + 2 × CS. Dimensions are nominal values.
Package Contents
1×
FFKM O-Ring
Chemical & Temperature Compatibility
FFKM provides exceptionally broad chemical resistance, but compatibility depends on the specific chemical, concentration, temperature, pressure and exposure duration. The −30 to 350 °C range is manufacturer-stated and should not be interpreted as a universal continuous operating range. Verify suitability before use in critical or safety-sensitive sealing applications.

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