Product number:
P638LP0210021001
thoenes ® P638 - Polyimide-PTFE-Graphite Packing
Product number:
P638LP0210021001
thoenes ® P638 - Polyimide-PTFE-Graphite Packing
€114.96
Available in 1 day, delivery time 3-4 weeks
Product information "thoenes ® P638 - Polyimide-PTFE-Graphite Packing"
The thoenes ® P638 – polyimide-PTFE-graphite packing is manufactured from alternating layers of graphite-filled PTFE multifilament fibres and polyimide continuous filament fibres.
Key properties :
- Good sliding properties,
- Pressure-resistant,
- Good resistance to organic solvents; fuels, lubricants and waste water,
- Polyimide fibres have good acid resistance,
- Not resistant to highly concentrated alkalis, alkali metals; fluorine compounds at high temperatures.
Polyimide fibre
- Max. continuous temperature 230 – 260 °C,
- Short-term exposure to 300 – 400 °C possible,
- Significant shrinkage from 300 °C.
Graphite-filled PTFE multifilament fibre
- Max. continuous temperature 250 °C,
- Short-term exposure to 280 °C possible.
Fields of application :
- Centrifugal and piston pumps,
- Valves and mixers,
- Agitators and reactors.
Supply forms :
- Square or rectangular packing,
- Zebra braiding,
- Dimensions: 4–25 mm (other dimensions on request).
