
Product Overview
KAFLON® FKM Flat Washer Gaskets are precision-molded sealing components made from fluorocarbon rubber (FKM), designed for applications requiring excellent chemical resistance and high-temperature performance.
These flat gaskets provide reliable sealing between two flat surfaces, preventing leakage of fluids or gases in demanding environments such as chemical processing, oil & gas, and industrial systems.
Compared to standard rubber gaskets, FKM flat washers offer superior resistance to oils, fuels, acids, and high temperatures, making them ideal for critical sealing applications
Key Features
- Excellent temperature resistance up to 200°C
- Superior chemical resistance (oils, fuels, acids, solvents)
- Low compression set for long-term sealing
- Good mechanical strength and durability
- Suitable for static sealing applications
- Available in standard and custom sizes

Material Specifications
| Property | Value |
|---|---|
| Material | FKM (Fluorocarbon Rubber) |
| Hardness | 70–90 Shore A |
| Temperature Range | -20°C to +200°C |
| Chemical Resistance | Excellent |
| Color | Black (custom colors available) |
Optional options:
FDA-compliant grades for food applications
High-temperature or chemical-resistant compounds
Custom hardness and formulations
Advantages vs Standard Rubber Gaskets
| Feature | NBR Gasket | FKM Gasket |
|---|---|---|
| Temperature resistance | ~100°C | Up to 200°C |
| Chemical resistance | Moderate | Excellent |
| Oil & fuel resistance | Good | Excellent |
| Service life | Medium | Long |
Typical Industry Applications
KAFLON® FKM Flat Washer Gaskets are widely used in:
- Industrial flange sealing systems
- Chemical processing equipment
- Oil & gas pipelines and valves
- Pumps and compressors
- High-temperature fluid systems
These applications require reliable sealing under heat, pressure, and aggressive chemical exposure.

FAQ

1. What is an FKM flat washer gasket used for?
2. What temperature can FKM gaskets withstand?
3. Are FKM gaskets resistant to chemicals?
4. Can the size be customized?
5. What is the typical lead time?
Custom orders: 3–4 weeks
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