• Shrinkflex PTFE Heatshrink Tubing - 4ft Sticks
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Shrinkflex PTFE Heatshrink Tubing - 4ft Sticks

Shrinkflex PTFE Heatshrink Tubing - 4ft Sticks

Heatshrink That Withstands Extreme Temperature Changes

PTFE heatshrink tubing is a material that has a broad operational temperature range, excellent dielectric strength, and the lowest coefficient of friction of any other polymer. This heatshrink tubing has a max operating temperature of up to 500 degrees Fahrenheit and is resistant to all common solvents, acids and bases. PTFE also offers a flame retardant quality which makes it great for engine components as well as other applications where flames and fire are a possibility.

  • Passes UL VW-1 Flame Test
  • CSA Approved
$976.00
$976.00 $976.00
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Part Number: H2PTFESG.00NT-10


Name: 2:1 Shrinkflex® PTFE Heatshrink Tubing - 0 AWG - 4ft Stick - Clear - 10 piece pack

$976.00
$976.00 $976.00
Sale Sold out
  • Its high continuous temperature range makes it perfect for military applications in electrical sheath insulation.
  • Super lubricious, it offers extreme chemical resistance and the lowest coefficient of friction of any polymer.
  • Meets specifications MIL-I-23053/12 and flame rating for UL94 V0 and VW-1. 
  • Shrinks to 1/2 of original diameter
  • *PTFE Heat Shrink is produced dimensionally to the mil-spec but is NOT QPL listed*

Continuous operating temperature -454°F to 500°F (-270°C to 260°C)

Outstanding resistance to almost any chemical known (exceptions: alkali metals in molten state, fluorine gas at high temperatures, chlorine trifluoride).

Chemically inert

Biocompatible, TFE is certified FDA and USP Class VI for use in diagnostic, medical, and analytical applications consisting of heat shrink tubing.

Very low coefficient of friction

Good dielectric strength

Flame rating UL94 V0 and VW-1 (file E#64007/ CSA file # 02582)

Limiting Oxygen Index greater than 95

ETO and autoclave sterilizable

ASTM D876 and ASTM D 1675 approved

Mil spec approved AMS-DTL-23053/12

MIL-STD-104 approved

MIL-STD-2073-1: DOD material procedure for development and application of packaging requirements.

Tested by SAE for Aerospace Material Specifications

PTFE heat shrink tubing is available in 2:1 and 4:1 shrink ratios, and is widely used in military applications (AMS-DTL-23053/12), industrial, biomedical, chemical and analytical sciences because of its high continuous use temperature (250°C), and outstanding chemical resistance.

PTFE heat shrink tubing is the most difficult of the three fluoropolymer materials to shrink due to its extremely high shrinking temperature (325-340°C). You can use a heat gun or welding torch to shrink TFE, but these methods have a tendency to cause the material to overheat in small areas, while under-heating other areas, causing uneven shrinking and potential burning of the material. The most reliable method for shrinking PTFE is the use of a controlled temperature oven; however this is impractical with large harnesses or temperature sensitive components.

A few notes on shrinking PTFE:

  1. Always assure good ventilation in the immediate work area prior to beginning the heat shrink process. Fumes may cause nausea and dizziness.
  2. It is imperative that the tubing be heated uniformly until it becomes clear (gel state). This transition from crystalline to amorphous must take place, since shrinkage will only occur during recovery from the gel state (re-crystallizing).
  3. When using a mandrel to shrink the tubing, it is important to pre-heat the mandrel to assure even and uniform shrinkage.
  4. If the tubing begins to crack, chances are you overheated the material.
  5. Also, higher shrink ratios will require higher shrink temperatures.
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