Kalrez 6221 perfluoroelastomer (FFKM) O-ring. Mechanical-seal face O-rings, aggressive chemicals + steam. 327°C max.
Kalrez 6221 perfluoroelastomer (FFKM) O-ring. Mechanical-seal face O-rings, aggressive chemicals + steam. 327°C max.
| Material | FFKM perfluoroelastomer, black |
| Compound | Kalrez 6221 |
| Hardness | 75±5 Shore A |
| Max Temp | 327°C (327°C continuous) |
| Min Temp | -6°C |
| Size | AS568-214 (metric + AS568B inch sizes available) |
| Base | Perfluoroelastomer (FFKM) |
| Material | FFKM (Perfluoroelastomer) |
| Temperature range | -6°C to +327°C |
| MOQ | 1 |
Drop-in replacement for generic FFKM seals in aggressive chemical process service. AS568B Uniform Numbering System size interchangeable with all major O-ring manufacturers.