Sheet Gasket
Source: John Crane
The Chemlon 7000 sheet gasket is a biaxially oriented, filled PTFE sheet material
The Chemlon 7000 sheet gasket is a biaxially oriented, filled PTFE sheet material. Filled with hollow glass microspheres, this material has high tensile strength in both directions and exhibits superior creep resistance. This material can be applied for pH ranges from 0-14, temperatures from cryogenic to 260°C/500°F, and pressures of up to 85 bar/1235 psi.
Construction/Features John Crane Chemlon 7000 sheet gasketing is a very compressible material because of the hollow glass microspheres. This enables the gasket to seal tighter under lower torque loads. The unique properties of this material help to deliver excellent performance and sealability in diverse industrial applications. Chemlon 7000 has minimum gasket creep and cold flow, outperforming conventional PTFE gasketing. Overall cost savings can be realized by:
- Reduction of inventory (standard gasket for most applications)
- Reduction of gasket leaks (product loss)
- Reduction in maintenance
Properties
Properties are based on a 1/32" sheet.
| Color: | Blue |
|---|---|
| Density: | 87 lb/ft3 |
| ASTM F36A: (Compressibility/ Recovery) | 42%/40% |
| ASTM F37A: (0.27 gal/yr.- Sealability) | 0.12mL/hour |
| ASTM F38B: (Creep Relaxation) | 21.2% |
| Cross Grain Tensile Strength: | 120 bar/1740 psi |
| With Grain Tensile Strength: | 134 bar/1940 psi |
John Crane, 6400 W. Oakton Street, Morton Grove, IL 60053. Tel: 847-967-2400; Fax: 847-967-3915.