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PTFE TW


PTFE TW (Polytetrafluoroethylene) is a non-flammable, thin-wall sleeving with an exceptionally high operating temperature of -70ยฐC-+260ยฐC. It has a very low coefficient of friction, high dielectric strength and is virtually inert to all chemicals. It is available in many colours and AWG, metric and imperial sizes as standard. Bespoke sizes, wall thicknesses and colours are also available.

PTFE hose and convoluted tubing is ideal for enhanced protection of wire, cable, electrical and electronic components for commercial and high performance military and aerospace systems. It is extremely stable at very high temperatures and retains a measure of toughness and strength even at cryogenic temperatures. It is virtually inert to all chemicals resisting most acids. Alkalis and petroleum products. It is virtually unaffected by oxygen, ozone and UV light. It is extremely hydrophobic and has a UL 94 rating of V-O. It also has a very low co-efficient of friction and high dielectric strength and excellent mechanical properties.

Technical Data


  • Operating Temperature: -70ยฐC-+260ยฐC
  • Flame Retardant: Non-flammable
  • Colours:
    • Natural,
    • Brown,
    • Pink,
    • Black,
    • Yellow,
    • Blue,
    • Grey,
    • Orange,
    • Violet,
    • Red,
    • Green,
    • White
  • Sizes: TW30 - TW0
  • Packing: Coils, reels, cut to length, cut sleeves
  • Approvals: RoHS compliant
  • Applications / Industries:
    • General
    • Commercial
    • Electrical
    • Electronics
    • Industrial
    • Mechanical
    • Automotive
    • Military-defence
    • Aerospace
Properties Typical Values Test Methods
General
Operating Temperature -70C - +260ยฐC
Shelf Life No special requirements
Physical
Tensile Strength Longitudinal -33N/mmยฒ, transverse 31N/mmยฒ DIN 53455, ASTM D1457-81
Ultimate elongation Longitudinal -350%, transverse610% DIN 53455, ASTM D1457-81
Water absorption 0.01% max.
Density 2.15g/cmยณ ASTM D1457-81
Hardness D 55 ASTM D2240
Co-efficient of friction Extremely low
UV Resistance Virtually unaffected by oxygen, ozone, visible or UV light
Thermal
Flammability Non-flammable UL 94 VO
Gel Transition Range 320ยฐC - 340ยฐC DTA
Thermal Conductivity 0.25-0.50W/m.K DIN 52612
Electrical
Dielectric strength 40-80kV/mm (safe figure 40kV/mm) ASTM D149
Volume resistivity 10ยนโธโ„ฆcm ASTM D257
Surface Resistance 10ยนโทโ„ฆ ASTM D257
Chemical
Chemical resistance Virtually inert to all chemicals, organic solvents do not attack/dissolve

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