Printashrink PTFE 4-1

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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 250°C, 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 Teflon® which has an operating temperature of up to 250°C, 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: 327°C
Operating Temperature: -67°C - + 250°C
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	-67°C - + 250°C
Shrink temperature	327°C
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 @ -55°C)	No cracking	AMS-DTL-23053
Electrical
Dielectric strength	40kV/mm	ASTM D876
Dielectric constant	2.05±0.05	ASTM D150
Volume resistivity	10¹⁸Ωcm	ASTM D876
Chemical
Copper corrosion	Non-corrosive	AMS-DTL-23053
Fluid resistance	No changes in properties	AMS-DTL-23053