- Expanded PTFE Sheet
SONFLON® 7400 is a multi-directional expanded PTFE gasket sheet material, whose high malleability allows sealing even damaged flange, while its very low relaxation under load guarantees high fitting reliability. Suitable for most chemical applications.
Key Features:
100% pure virgin PTFE.
Improved creep resistance.
High compressibility and recovery.
High resistance against compressive creep dimension stable.
Universal chemical resistance.
Large temperature range.
Benefits:
Tight and blow-out safe
Highest operational safety
Sealseven damaged flanges
Conformsto the FDA regulations
Applications:
Suitable for all pressure sensitive and stress sensitive connections.
Suitable for use with even with most aggressive chemicals.
Non-contaminating-appropriate for all applications demanding highest purity.
Extremely versatile for flange connections, pressure vessels, chemical reactors andhousings of pumps, compressors etc.
Suitable as hand and manhole gaskets, heat exchangers, venting systems etc.
Technical Data:
| Property | Test Method | Nominal Value |
| Temperature | -200 degrees Celsius to +260 degrees Celsius | |
| Operating Pressure | 100 bar | |
| Chemical Resistance | pH 0-14, except molten alkali metals and elemental fluorine. | |
| Sealability | ASTM F37 | 6*10-4 ml/hr |
| Compressibility | ASTM F36 | 42 % |
| Recovery | ASTM F36 | 5 % |
| Tensile Strength | ASTM F152 | 31 MPa |
Supply Data:
Standard size 1520mm x 1520mm in 0.5 up to 6.0mm thickness, and as ready cut gasket.
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