FKM (Black)
- FKM (Fluorocarbon Elastomer) in black form is a high-performance synthetic rubber filled with carbon black to enhance durability, UV resistance, and mechanical properties. Known under trade names like Viton®, FKM Black offers outstanding resistance to oils, fuels, chemicals, high temperatures, and weathering. It performs reliably in continuous temperatures up to 200°C and short-term exposures up to 250°C. Its resistance to aggressive fluids and gases makes it the material of choice for automotive, aerospace, and chemical processing applications, especially in O-rings, gaskets, and sealing components exposed to harsh environments.
| Category | Property | Typical Value / Notes |
|---|---|---|
|
General |
Color |
Black (carbon black filled) |
|
|
Hardness (Shore A) |
60 – 90 |
|
|
Density |
~1.80 – 2.10 g/cm³ |
|
|
Tensile Strength |
~10 – 20 MPa |
|
|
Elongation at Break |
~150% – 300% |
|
|
Compression Set (200°C, 70h) |
≤ 35% |
|
Thermal |
Temp. Range |
-20°C to +200°C (up to +250°C short-term) |
|
|
Heat Resistance
|
Excellent |
|
Chemical Resistance |
Oils, Fuels, Solvents |
Excellent |
|
|
Acids, Chemicals |
Excellent |
|
|
Steam / Hot Water |
Moderate |
|
|
UV / Ozone Resistance |
Excellent |
|
Applications |
Common Uses
|
Seals, O-rings, gaskets, fuel hoses, engine and chemical plant components |