Thermoplastics

PTFE

PTFE is a tough, flexible engineering thermoplastic with exceptional chemical and electrical resistance.

It is stable from temperatures of –250ºC to +250ºC and has the lowest co-efficient of friction of any solid material. It is non-melting and self-extinguishing as well as being repellent to all aqueous solvents which means it will not get wet, dissolve or corrode.

PTFE is also chemically inert and does not react with other chemicals which also ensures resistance to oxidation and chemical erosion.

PTFE is available in sheet, rod and gasket form and can be intricately machined.

Other benefits include:

  • Outstanding co-efficient of friction
  • Chemically inert
  • Hydrophobic
  • Excellent electrical insulating capabilities
  • Thermally stable over a wide range of temperatures
  • Non-flammable even when exposed to prolonged heat
  • Resistant to oxidation and UV light
  • Machinable
Typical Composition

PTFE is a fluorocarbon solid. It is a high-molecular-weight compound consisting wholly of carbon and fluorine. PTFE is hydrophobic: neither water nor water-containing substances wet PTFE.

USED IN
  • Slide Plates/Pipes
  • Wear Plates
  • Slip Plates
  • Chemical /Electrical and Nuclear Engineering
  • Sleeving for Pipes,Tanks Valves & Pumps
  • Low Friction Bearings
  • Bushes, Rollers,Pulleys
  • Seals and Gaskets
  • Cryogenic Components
  • Component Handles
KEY DATA
GRADE VIRGIN 25% GLASS FILLED
PROPERTIES Unit Typical Values (from-to) Typical Values (from-to)
SPECIFIC GRAVITY - 2.14 - 2.20 2.18 - 2.23
TENSILE STRENGTH N/mm2 20 - 35 15 - 16
ELONGATION AT BREAK % 210 - 400 200 - 260
COMPRESSIVE STRENGTH @ 1% DEFORMATION N/mm2 4.00 - 4.50 7.0
DEFORMATION UNDER LOAD 14 N/mm2 for 24hrs % 10 - 15 7 - 9
HARDNESS (shoreD) 50 - 60 60 - 63
FRICTION COEFFICIENT - DYNAMIC - 0.06 0.07
THERMAL CONDUCTIVITY W/mK 0.20 0.43
VOLUME RESISTIVITY Ω/cm 1017 1015
SURFACE RESISTIVITY 1015 1014
The data provided is taken from average test results conducted under standard procedures and conditions and should not be used for specification purposes.

To receive a quotation call: +44 (0) 1744 283 04

CONTACT

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UK (Accredited Office)
Esspee Fabrications Ltd
149 Merton Bank Road
St. Helens
Merseyside
WA9 1DZ
Tel : +44 (0) 1744 28304
Fax : +44 (0) 01744 28826
Email: sales@esspee.com

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Stourbridge
West Midlands
DY9 9JH
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P O Box 74345
203 Al Hawai Tower
Sheikh Zayed Road,
Dubai, UAE
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1910 Building E
Huidong Intl
16 Jinpu Rd, Nanning
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