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Megaflex Limited
21 Farthingate Close
Southwell
Nottinghamshire
NG25 0HU
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Thin Wall Metric Size PTFE Tube (PolyTetraFluoroEthylene) - also available in Colours

Thermal Properties
PTFE is one of the most thermally stable plastic materials; there is no appreciable decomposition below 400°C. The arrangement of the PTFE molecules varies with temperature. There are different transition points, with the most important ones being 19°C corresponding to a modification of some physical properties, and then at 327°C which corresponds to the disappearance of the crystalline structure; the PTFE assumes an amorphous aspect, conserving its own geometric form.
The linear thermal expansion coefficient varies with temperature. In addition, because of the orientation caused by the working process, the PTFE pieces are in general anisotropic; the coefficient of expansion varies also in relation to direction. The coefficient of thermal conductivity of the PTFE does not vary with temperature; it is relatively high so that PTFE can be considered to be a good insulation material.
The specific heat, as well as the heat content (enthalpy) increases with the temperature.

Chemical Resistance
PTFE is practically inert against known elements and compounds. It is attacked only by the alkaline metals in the elementary state, by Chlorine Trifluoride, and by elementary fluorine at high temperatures and pressures. PTFE is insoluble in almost all solvents at temperatures ip to about 300°C. Fluorinated hydrocarbons cause a certain swelling which is however, reversible. Some highly fluorinated oils, at temperatures over 300°C exercise a certain dissolving effect upon PTFE.
Test pieces of PTFE exposed for over twenty years to the most disparate climate conditions have not shown any alteration of their characteristic properties. High energy radiation tends to cause the breaking of the PTFE molecule, so the resistance to radiation is rather poor. The permeability of PTFE is similar to other plastic materials.

Physical Properties
PTFE can be used continuously at 260°C while still possessing a certain compressive plasticity at temperatures approaching absolute zero. PTFE is quite flexible and does not break when subjected to stresses of 0.7 N/mm2 according to ASTM D 790. Flexural modulus is about 350-650 N/mm2 at room temperature. PTFE possesses very high resilience characteristics at low temperatures. The hardness is Shore D measured according to the method ASTM D 2240; values between D50 and D60.
PTFE possesses the lowest friction coefficients of all solid materials, between 0.05 and 0.09. Additional information can be found in the PTFE material sheets available from our sales office.



Colour: Clear, White

This product is available in multiple Metrics:

This product is part of the "PTFE Tube" group of products, see the range here:

Please note: Hose, Tubing, Ducting and Conduit currently cannot be ordered using the website.
Please speak to a sales agent for a quotation on 01636816612.
PartID ⌀ID ⌀OD ⌀OD ⌀WPBPCoil Length
No.(inch)(inch)
PTFE3X11344132
PTFE1/16X1/321/320.791/161.5933100
PTFE2X1123399
PTFE4X2243399100
PTFE1/8X1/161/161.591/83.183399
PTFE3X2232163
PTFE2.5X1.51.52.52678
PTFE5X22540119
PTFE3X1.51.53
PTFE5/32X3/323/322.385/323.972677
PTFE5X3352678
PTFE1/4X1/81/83.181/46.35339950
PTFE4X3341546
PTFE6X336339950
PTFE3/16X1/81/83.183/164.762163100
PTFE4X2.52.542472100
PTFE6X446216350
PTFE6.4X4.44.46.4205950
PTFE5X4451236
PTFE8X4483399
PTFE1/4X5/325/323.971/46.35100
PTFE4.5X3.53.54.51441
PTFE7X4472884
PTFE5/16X3/163/164.765/167.94267850
PTFE9X5592987
PTFE8X5582472100
PTFE1/4X3/163/164.761/46.351546100
PTFE7X5571854
PTFE6X5561030
PTFE8X668154650
PTFE7X667825
PTFE3/8X1/41/46.353/89.53216450
PTFE5/16X1/41/46.355/167.94123650
PTFE10X6610267850
PTFE9X6692163
PTFE10X77101956
PTFE9X7791441
PTFE8X778722
PTFE10X8810123650
PTFE9X889619
PTFE12X88122163
PTFE7/16X5/165/167.947/1611.11185450
PTFE3/8X5/165/167.943/89.53103016
PTFE10X9910617
PTFE10X8.58.510927
PTFE12X99121546100
PTFE11X9911113350
PTFE13X1010131442
PTFE7/16X3/83/89.537/1611.11825
PTFE12X101012103050
PTFE11X101011516
PTFE1/2X3/83/89.531/212.7154650
PTFE9/16X7/167/1611.119/1614.291441
PTFE14X111114133925
PTFE1/2X7/167/1611.111/212.7722100
PTFE13X111113927
PTFE15X1212151236
PTFE14X12121482550
PTFE5/8X1/21/212.75/815.881236
PTFE16X1313161134
PTFE14.5X12.512.514.5824
PTFE9/16X1/21/212.79/1614.29619
PTFE15X131315823
PTFE16X141416722
PTFE11/16X9/169/1614.2911/1617.46113325
PTFE5/8X9/169/1614.295/815.88617
PTFE18X1515181030
PTFE17X151517721
PTFE11/16X5/85/815.8811/1617.46516
PTFE19X161619928
PTFE3/4X5/85/815.883/419.051030
PTFE18X161618619
PTFE20X171720927
PTFE13/16X11/1611/1617.4613/1620.6492710
PTFE20X181820617
PTFE7/8X3/43/419.057/822.23825
PTFE21X191921516
PTFE22X202022516

Please be advised; specifications assume standard room temperature unless otherwise specified. All data presented here is intended as a guide only; we are not responsible for errors or discrepancies in the specifications.

Please click here for full terms and conditions.

Please contact our sales office on 01636816612 for further details!

Established 1996
+44 (0) 1636 816 612
sales@megaflex.co.uk