PTFE Heat Shrink Tube

aerospace (insulation of rocket motor wiring, protection of satellite components),

medical devices (sterilizable endoscope cable shielding, encapsulation of implantable devices),

industrial manufacturing (sealing of corrosive chemical pipelines,

protection of deep-sea sensors),

automotive/energy (insulation of high-voltage connectors for electric vehicle batteries,

sealing of hydrogen fuel cell components).

Color :Transparent color, black, etc

Meltability ≥ 280 ℃

Working temperature -80 ℃~260 ℃

Dielectric constant (*) 50HZ 2.1

The corrosion effect on copper is not corrosive

Good antibacterial and erosive properties

Good toughness (bending, tearing, etc.)

Shrinkage ratio: 1.7:1 and 4:1.

1.Tensile Strength: ≥17.3 MPa (ASTM D2671)

2. Elongation at Break: ≥200% (ASTM D2671)

3. Specific Gravity: 2.30 (ASTM D792)

4. Thermal Shock Resistance: No cracking or dripping (ASTM D2671)

5. Low-Temperature Brittleness: No cracking (ASTM D2671)

6. Flame Retardancy: Self-extinguishing (ASTM D2671)

7. Volume Resistivity: ≥1×10¹⁸ Ω·cm (ASTM D2671)

8. Dielectric Strength: ≥34 kV/mm (ASTM D2671)

9. Copper Corrosion: No corrosion (UL224)

10. Solvent Resistance: Excellent (SAE-AMS-DTL-23053/12)

11. Water Absorption: ≤0.1 max (ASTM D570)

For example, in the electronics industry, it is used to protect microtransformers and specialized sensors;

in the petrochemical industry, it acts as a protective layer for pipes and cables to protect against chemical corrosion; 

in the aerospace industry, it plays a crucial role in protecting critical components from environmental influences.

PTFE heat shrink tubing is also commonly used to protect the internal wiring of medical devices due to its harmlessness to the human body and excellent biocompatibility.

In the construction industry, PTFE heat shrink tubing is also used to improve the durability and safety of building materials.

（mm）