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KWO® CellFlon® R
ePTFE gasket cord
KWO® CellFlon® R is a round gasket cord made from expanded virgin PTFE with a modified texture. The gasket tape is particularly suitable for demanding and very clean applications, for example in the food industry and in the pharmaceutical manufacturing sector.
The patented CellFlon® processing method improves considerably the mechanical properties and strengthens the fibre structure. Consequently, the tape is much more compact and has a lower cold-flow tendency as well as better recovery properties. These characteristics allow a wide range of applications, regardless of the shape and the size of the sealing surface.
- high residual thickness at time of installation
- highest recovery properties
- very good adaptability to shafts and flange surfaces
- very low sliding friction
- harmless in contact with food
- high mechanical properties
- high chemical resistance
- UV resistant, non-ageing, unlimited storable
- nontoxic, biologically inert
- non-flammable
- sealing for valve spindle, shaft seals
- tube flanges
- apparatus constructions
- machine housing
- food processing systems, pharmaceutical systems
- FDA 21 CFR 177.1550 compliant
- EC1935/2004 - suitable for applications with food contact
Technical Data
| MATERIAL | 100 % expanded PTFE (ePTFE)– modified by CellFlon®-procedure |
| TEMPERATURE RANGE | recommended temperature range: from -200°C (-328°F) to +180°C (+356°F); material heat resistant up to +315°C (+600°F)* |
| CHEMICAL RESISTANCE | pH range from 0 to 14; full chemical resistance (except molten alkali metals and elemental fluorine) |
| PRESSURE RESISTANCE | vacuum up to 80bar (1160psi) depending on the installation situation* |
| PHYSIOLOGICALLY INERT | physiologically harmless in all recommended applications |
| DENSITY | 0,70 g/cm³ ± 0,10 g/cm³ |
*Note: Temperature and pressure guides cannot necessarily be used simultaneously.
