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Printashrink PTFE 4-1


Printashrink PTFE 4-1 is a heatshrinkable sleeving with exceptional resistance to chemicals, solvents and high temperatures. It has a continuous operating temperature of up to 250ยฐC, a 4:1 shrink ratio as well as high electrical and total UV resistance. It is available in transparent in sizes up to 50.8mm ID and can be cut as required.

This equivalent to Teflonยฎ which has an operating temperature of up to 250ยฐC, offers exceptional resistance to virtually all fuels, chemicals and solvents, and is non-flammable. It is suitable for use in many applications where its unique properties are used to solve problems other materials are unable to including aircraft, medical and chemically hostile environments. We offer a range of cutting services on this tube.

Technical Data


  • Shrink Ratio: 4:1
  • Shrink Temperature: 327ยฐC
  • Operating Temperature: -67ยฐC - + 250ยฐC
  • Flame Retardant: Yes
  • Colours:
    • Natural,
    • many others on request
  • Sizes: 2.0 - 50.8
  • Packing: Reels, 1.2 metre lengths, cut to length, cut sleeves
  • Approvals: AMS-DTL-23053/12, DEF STAN 59-97, RoHS Compliant
  • Applications / Industries:
    • General
    • Commercial
    • Electrical
    • Electronics
    • Industrial
    • Mechanical
    • Automotive
    • Military-defence
    • Aerospace
Properties Typical Values Test Methods
General
Operating Temperature -67ยฐC - + 250ยฐC
Shrink temperature 327ยฐC
Shrink Ratio 4:1
Physical
Tensile Strength 17.2MPa - 31Mpa ASTM D638
Ultimate elongation 225% - 450% min ASTM D638
Co-efficient of friction 0.1
Thermal
Flammability Non burning ASTM D876
Low temperature flexibility (4hrs @ -55ยฐC) No cracking AMS-DTL-23053
Electrical
Dielectric strength 40kV/mm ASTM D876
Dielectric constant 2.05ยฑ0.05 ASTM D150
Volume resistivity 10ยนโธโ„ฆcm ASTM D876
Chemical
Copper corrosion Non-corrosive AMS-DTL-23053
Fluid resistance No changes in properties AMS-DTL-23053

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