Skip to main content Skip to search Skip to main navigation

Product information "thoenes ® P640 – Aramid fibre yarn packing"

The thoenes ® P640 – Aramid fibre yarn packing is a high-quality packing consisting of aramid staple fibres (p-aramid) treated with special impregnants.

Key properties :

  • Good pressure resistance,
  • Non-flammable,
  • Aramid fibres are sensitive to UV radiation.

Aramid staple fibre (p-aramid)

  • Flammable but self-extinguishing,
  • Max. continuous operating temperature 300 °C,
  • Short-term exposure to 370–400 °C possible.

PTFE impregnation

  • Max. continuous operating temperature of 250 °C,
  • Short-term exposure to 280 °C.

Forms of application :

  • Extremely resistant to bases, alcohols, ketones, petrol, oils,
  • Not resistant to highly concentrated acids and alkalis, some organic compounds, alkali metals.

Supply forms :

  • Rectangular or square design,
  • With preparation,
  • Dimensions: 5–25 mm (other dimensions on request).