PTFE Heat Shrinkable Tubing
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CYG-PTFE
- Material: PTFE
- Shrink ratio: 2:1, 3:1
- Superior temperature resistance, corrosion resistance, oil resistance, and acid-alkali resistance
- Available in various shrink ratios
Applications
- Our PTFE heat shrink tubing is known for its superior high-temperature resistance, acid-alkali resistance, corrosion resistance, flame retardancy, and electronic insulation properties.
- It finds wide applications in electronic, mechanical, military, and aerospace industries, providing protection for electronic components against oil, corrosion, and insulation challenges.
Features
- Shrink ratio: 2:1, 3:1
- Superior temperature resistance, corrosion resistance, oil resistance, and acid-alkali resistance
- Available in various shrink ratios
- High flame retardancy
- Meets GJB 7275-2011 standards
| Properties | Test Method | Performance | |
| Operating temperature (℃) | - | --55~250 | |
| Water absorption (%) | 23℃/24h | ≤0.01 | |
| Longitudinal change (%) | - | -20~20 | |
| Tensile strength (MPa) | 50mm/min | ≥17.3 | |
| Ultimate elongation (%) | 50mm/min | ≥200 | |
| After aging 175℃/168h | Tensile strength (MPa) | 50mm/min | ≥17.3 |
| Ultimate elongation (%) | 50mm/min | ≥200 | |
| Dielectric strength (kV/mm) | - | ≥ 31.5 | |
| Insulation and voltage withstand | 2500V/60s | No breakdown | |
| Dielectric strength (kV/mm) | - | ≥ 31.5 | |
| Volume resistivity (Ω·CM) | - | ≥1.0×1018 | |
| Tensile strength (MPa) | 50mm/min | ≥17.3 | |
| Fluid resistance 23℃/24h | Ultimate elongation (%) | 50mm/min | ≥200 |
| Dielectric strength (kV/mm) | - | ≥ 31.5 | |
| Heat shock | 400℃/4h | No cracking | |
| Low temperature flexibility | -65℃/4h | No cracking | |
| Copper corrosion | 250℃/16h | No corrosion | |
| Flammability | - | Self-extinguishing within 15s | |
| Cold & heat shock test | -55℃, 200℃ | Tensile strength ≥17.3MPa; Ultimate elongation ≥200%; Dielectric strength ≥31.5kV/mm; | |
| Salt spray test | GJB 150.11 | Tensile strength ≥17.3MPa; Ultimate elongation ≥200%; Dielectric strength≥31.5kV/mm; | |
| Damp heat test | GJB 150.9 | Tensile strength ≥17.3MPa; Ultimate elongation ≥200%; Dielectric strength≥31.5kV/mm | |
| Fungal test | GJB 150.10 | Better than class 1 | |
Shrink Ratio: 2:1
| Size | As Supplied (mm) | After Recovery (mm) | |
| Minimum Inside Diameter | Maximum Inside Diameter | Wall Thickness | |
| Ø0.9 | 0.9 | 0.5 | 0.23±0.05 |
| Ø1.1 | 1.1 | 0.6 | 0.25±0.05 |
| Ø1.2 | 1.2 | 0.7 | 0.25±0.05 |
| Ø1.4 | 1.4 | 0.8 | 0.30±0.05 |
| Ø1.5 | 1.5 | 1.0 | 0.30±0.05 |
| Ø1.9 | 1.9 | 1.2 | 0.30±0.05 |
| Ø2.3 | 2.3 | 1.6 | 0.30±0.05 |
| Ø3.0 | 3.0 | 1.8 | 0.30±0.05 |
| Ø3.8 | 3.8 | 2.3 | 0.30±0.05 |
| Ø4.8 | 4.8 | 2.8 | 0.30±0.05 |
| Ø6.1 | 6.1 | 3.6 | 0.38±0.10 |
| Ø7.6 | 7.6 | 4.5 | 0.38±0.10 |
| Ø9.4 | 9.4 | 5.7 | 0.38±0.10 |
| Ø10.9 | 10.9 | 7.1 | 0.38±0.10 |
| Ø11.9 | 11.9 | 8.8 | 0.38±0.10 |
Shrink Ratio: 3:1
| Size | As Supplied (mm) | After Recovery (mm) | |
| Minimum Inside Diameter | Maximum Inside Diameter | Wall Thickness | |
| Ø2.0 | 2.0 | 0.6 | 0.23±0.05 |
| Ø3.2 | 3.2 | 1.0 | 0.25±0.05 |
| Ø6.4 | 6.4 | 1.6 | 0.30±0.05 |
| Ø9.5 | 9.5 | 2.4 | 0.30±0.05 |
| Ø12.7 | 12.7 | 3.7 | 0.38±0.10 |
| Ø19.1 | 19.1 | 5.7 | 0.38±0.10 |
| Ø25.4 | 25.4 | 7.1 | 0.38±0.10 |
| Ø31.8 | 31.8 | 8.8 | 0.38±0.10 |
| Ø38.1 | 38.1 | 10.2 | 0.38±0.10 |
| Ø50.8 | 50.8 | 13.2 | 0.51±0.13 |
Note: Custom sizes are available upon request.
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