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    High-End PTFE Heat Shrink Tubing from China Suppliers - Advanced Protective Solutions from Our Factory
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    Newly developed self-developed high-end PTFE heat shrink tubing with unique formula

    Newly developed self-developed high-end PTFE heat shrink tubing with unique formula
    Newly developed self-developed high-end PTFE heat shrink tubing with unique formula (1).jpg
    Newly developed self-developed high-end PTFE heat shrink tubing with unique formula (2).JPG
    Newly developed self-developed high-end PTFE heat shrink tubing with unique formula (3).JPG
    Newly developed self-developed high-end PTFE heat shrink tubing with unique formula (1).jpg
    Newly developed self-developed high-end PTFE heat shrink tubing with unique formula (2).JPG
    Newly developed self-developed high-end PTFE heat shrink tubing with unique formula (3).JPG

    High-End PTFE Heat Shrink Tubing from China Suppliers - Advanced Protective Solutions from Our Factory

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    Product Overview

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    Discover our PTFE Heat Shrink Tubing, also known as Teflon Heat Shrink Tubing, manufactured in China by leading suppliers. This high-performance protective sleeve is crafted from polytetrafluoroethylene (PTFE) through advanced radiation cross-linking technology. Its exceptional chemical inertness and unique molecular structure make it the perfect solution for safeguarding electronic components, cables, and precision instruments against extreme environments. Commonly utilized in aerospace, semiconductor packaging, medical devices, and chemical anti-corrosion applications, our PTFE tubing stands out in conditions involving strong acids, alkalis, or elevated temperatures. Trust in our factory’s commitment to quality and innovation for your critical applications.

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      Product Details

      Product Features

      • ◎ Broad Temperature Range

        Continuous use from -80°C to 260°C; short-term exposure to higher temperatures possible. Shrinkage requires >300°C for tight encapsulation.

      • ◎ Chemical Stability

        Resistant to strong acids, alkalis, organic solvents, and oils; only elemental fluorine and molten alkali metals may affect it at high temperatures.

      • ◎ Electrical Insulation

        Stable dielectric constant (2.1), surface resistance >10¹³Ω, volume resistance >10¹⁸Ω·m, ensuring reliable high-frequency signal transmission.

      • ◎ Low Friction & Non-Stick

        Dynamic friction coefficient 0.2–0.3, hydrophobic surface (contact angle 114°), preventing media adhesion.

      • ◎ Flame Retardancy & Safety

        Meets UL94 V-0 standard, oxygen index >95%, non-combustible in air.

      • ◎ Mechanical Performance

        Shrink ratio 1.7:1 or 4:1 (model-dependent), tightly conforms to substrates after shrinkage, providing stress relief and sealing.

      • ◎ Environmental Durability

        ROHS compliant; lifespan 5–8 years in normal conditions, maintains integrity in harsh environments.

      Application

      PTEE-1

      Product Application

      ◎ Electronics: Insulation for high-frequency circuits, solder joint protection, cable labeling.
      ◎ Industrial: Chemical pipeline anti-corrosion, anti-wear for mechanical transmission parts.

      PTEE-2

      Product Application

      ◎ Medical: Biocompatible certified products for sterile equipment.
      ◎ Aerospace: High-temperature protection for aviation wiring.

      Characteristics

      Project Test Procedure Parameter
      Proportion (g/cm³) ASTM D792 2.16
      Tensile Strength (MPa) ASTM D638 24.5
      Ultimate Elongation (%) ASTM D638 350
      Bending Coefficient (MPa) ASTM D790 490
      Impact Strength ASTM D256 +23°C–54°C J/m 107
      Hardness (A) ASTM D2240 75
      Friction Coefficient -- 0.1
      Melting Degree (°C) -- 327
      Actual Operating Temperature Range (°C) -- 260
      Fire Retardant Grade UL-224 VW-1
      Dielectric Constant (10³–10⁶ Hz) ASTM D150 2.1
      Dissipation Factor (10⁶ Hz) ASTM D150 0.0002
      Arc Coefficient (S) ASTM D495 >300
      Volume Resistivity (Ω·cm) ASTM D257 >10¹⁸
      Weather Resistant (2000h) No crack
      Solvent Resistant ASTM D543 Excellent
      Chemical Resistant ASTM D543 Excellent
      Breakdown Strength ASTM D543 25 KV/MM

      Product Specification Sheet

      Shrinkage Ratio 1.7:1

      Specification Inner Diameter (mm) Wall Thickness (mm) — Ordinary Type Wall Thickness (mm) — Thicker Type Packing Tube Type
      Before Contraction After Contraction Before Contraction After Contraction Before Contraction After Contraction
      Ф0.5 0.7±0.2 ≤0.35 0.10±0.05 0.15±0.05 0.12±0.05 0.18±0.05 200M Round Tube
      Ф0.6 0.8±0.2 ≤0.35 0.10±0.05 0.15±0.05 0.12±0.05 0.18±0.05 200M Round Tube
      Ф0.8 1.0±0.2 ≤0.47 0.10±0.05 0.15±0.05 0.12±0.05 0.18±0.05 200M Round Tube
      Ф1.0 1.2±0.2 ≤0.6 0.10±0.05 0.15±0.05 0.12±0.05 0.18±0.05 200M Round Tube
      Ф1.5 1.7±0.2 ≤0.9 0.10±0.05 0.15±0.05 0.19±0.05 0.3±0.05 200M Round Tube
      Ф2.0 2.2±0.2 ≤1.25 0.10±0.05 0.15±0.05 0.19±0.05 0.3±0.05 200M Round Tube
      Ф2.5 2.7±0.2 ≤1.55 0.10±0.05 0.15±0.05 0.19±0.05 0.3±0.05 200M Round Tube
      Ф3.0 3.2±0.2 ≤1.75 0.15±0.05 0.2±0.05 0.19±0.05 0.3±0.05 200M Round Tube
      Ф3.5 3.7±0.2 ≤2.06 0.15±0.05 0.2±0.05 0.19±0.05 0.3±0.05 200M Round Tube
      Ф4.0 4.3±0.3 ≤2.5 0.15±0.05 0.2±0.05 0.19±0.05 0.3±0.05 200M Round Tube
      Ф4.5 4.8±0.3 ≤2.75 0.15±0.05 0.2±0.05 0.19±0.05 0.3±0.05 200M Round Tube
      Ф5.0 5.3±0.3 ≤3.05 0.15±0.05 0.2±0.05 0.19±0.05 0.3±0.05 200M Round Tube
      Ф5.5 5.8±0.3 ≤3.23 0.15±0.05 0.2±0.05 0.22±0.05 0.36±0.05 100M Round Tube
      Ф6.0 6.3±0.3 ≤3.70 0.15±0.05 0.2±0.05 0.22±0.05 0.36±0.05 100M Round Tube
      Ф6.5 6.8±0.3 ≤3.82 0.15±0.05 0.2±0.05 0.22±0.05 0.36±0.05 100M Round Tube
      Ф7.0 7.3±0.3 ≤4.1 0.15±0.05 0.2±0.05 0.22±0.05 0.36±0.05 100M Flat Tube
      Ф7.5 7.8±0.3 ≤4.4 0.15±0.05 0.23±0.05 0.22±0.05 0.36±0.05 100M Flat Tube
      Ф8.0 8.3±0.3 ≤4.8 0.15±0.05 0.23±0.05 0.22±0.05 0.36±0.05 100M Flat Tube
      Ф9.0 9.3±0.3 ≤5.3 0.15±0.05 0.23±0.05 0.22±0.05 0.36±0.05 100M Flat Tube
      Ф10.0 10.5±0.5 ≤5.88 0.15±0.05 0.23±0.05 0.22±0.05 0.36±0.05 100M Flat Tube
      Ф11.0 11.5±0.5 ≤6.8 0.15±0.05 0.23±0.05 0.22±0.05 0.36±0.05 100M Flat Tube
      Ф12.0 12.5±0.5 ≤7.2 0.15±0.05 0.23±0.05 0.22±0.05 0.36±0.05 100M Flat Tube
      Ф14.0 14.5±0.5 ≤8.3 0.15±0.05 0.27±0.05 0.22±0.05 0.36±0.05 100M Flat Tube
      Ф15.0 15.5±0.5 ≤8.9 0.15±0.05 0.27±0.05 0.22±0.05 0.36±0.05 100M Flat Tube
      Ф16.0 17.0±1.0 ≤9.5 0.15±0.05 0.27±0.05 0.22±0.05 0.36±0.05 100M Flat Tube
      Ф17.0 18.0±1.0 ≤10.0 0.25±0.1 0.35±0.1 - - 100M Flat Tube
      Ф18.0 19.0±1.0 ≤10.5 0.25±0.1 0.35±0.1 - - 100M Flat Tube
      Ф19.0 20.0±1.0 ≤11.2 0.25±0.1 0.4±0.1 - - 100M Flat Tube
      Ф20.0 21.0±1.0 ≤11.8 0.25±0.1 0.4±0.1 - - 100M Flat Tube
      Ф25.0 26.0±1.0 ≤14.7 0.25±0.1 0.4±0.1 - - 50M Flat Tube
      Ф30.0 31.0±1.0 ≤17.6 0.35±0.2 0.6±0.2 - - 50M Flat Tube
      Ф35.0 37.0±2.0 ≤20.5 0.55±0.2 1.0±0.2 - - 50M Flat Tube
      Ф40.0 42.0±2.0 ≤23.5 0.55±0.2 1.0±0.2 - - 50M Flat Tube

      Shrinkage Ratio 4:1

      Specification Inner Diameter (mm) Wall Thickness (mm) Packing Tube Type
      Before Contraction After Contraction Before Contraction After Contraction
      1.5 1.8±0.4 ≤0.38 0.08±0.05 0.25±0.05 200M/Tray Round Tube
      2.0 2.4±0.4 ≤0.50 0.08±0.05 0.25±0.05 200M/Tray Round Tube
      2.5 2.9±0.4 ≤0.63 0.08±0.05 0.25±0.05 200M/Tray Round Tube
      3.0 3.4±0.4 ≤0.75 0.08±0.05 0.25±0.05 200M/Tray Round Tube
      3.5 3.9±0.4 ≤0.88 0.08±0.05 0.25±0.05 200M/Tray Round Tube
      4.0 4.4±0.4 ≤1.0 0.08±0.05 0.25±0.05 200M/Tray Round Tube
      4.5 4.8±0.4 ≤1.10 0.08±0.05 0.30±0.05 200M/Tray Round Tube
      4.8 5.3±0.4 ≤1.20 0.08±0.05 0.30±0.05 200M/Tray Round Tube
      5.0 5.5±0.5 ≤1.25 0.08±0.05 0.30±0.05 100M/Tray Round Tube
      6.0 6.5±0.5 ≤1.50 0.10±0.05 0.30±0.05 100M/Tray Round Tube
      6.5 7.0±0.5 ≤1.63 0.10±0.05 0.30±0.05 100M/Tray Flat Tube
      7.0 7.5±0.5 ≤1.75 0.10±0.05 0.30±0.05 100M/Tray Flat Tube
      8.0 8.5±0.5 ≤2.0 0.10±0.05 0.30±0.05 100M/Tray Flat Tube
      9.0 9.5±0.5 ≤2.3 0.10±0.05 0.30±0.05 100M/Tray Flat Tube
      9.5 10.0±0.5 ≤2.4 0.10±0.05 0.30±0.05 100M/Tray Flat Tube
      10.0 10.3±0.5 ≤2.5 0.10±0.05 0.30±0.05 100M/Tray Flat Tube
      11.0 12.0±1 ≤2.75 0.10±0.05 0.30±0.05 100M/Tray Flat Tube
      12.0 13.0±1 ≤3.0 0.10±0.05 0.30±0.05 100M/Tray Flat Tube
      14.0 14.0±1 ≤3.5 0.10±0.05 0.35±0.05 100M/Tray Flat Tube
      16.0 15.0±1 ≤4.0 0.10±0.05 0.35±0.05 100M/Tray Flat Tube
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      Frequently Asked Questions

      • What is the operating temperature range of this PTFE heat shrink tubing? +
        This PTFE heat shrink tubing supports continuous use from -80°C to 260°C. Short-term exposure to higher temperatures is also possible. Shrinkage typically requires temperatures above 300°C for tight encapsulation.
      • What shrink ratios are available for this PTFE tubing? +
        The tubing is available in two shrink ratios: 1.7:1 and 4:1, depending on the model selected. Both are listed in the product specification sheet with corresponding inner diameter and wall thickness data.
      • Is this PTFE heat shrink tubing suitable for medical and aerospace applications? +
        Yes. The tubing features biocompatible certification, making it suitable for sterile medical equipment. For aerospace, it provides reliable high-temperature protection for aviation wiring and cable systems.
      • Does this product comply with RoHS and UL flame retardancy standards? +
        Yes. The PTFE heat shrink tubing is fully RoHS compliant and meets UL94 V-0 flame retardancy standards. It has an oxygen index greater than 95% and is non-combustible in air. The fire retardant grade is VW-1 per UL-224.
      • What chemicals is this PTFE tubing resistant to? +
        The tubing is highly resistant to strong acids, alkalis, organic solvents, and oils. Only elemental fluorine and molten alkali metals may affect the material at high temperatures. Solvent and chemical resistance are both rated Excellent per ASTM D543.
      • What is the expected lifespan and how should the tubing be stored? +
        Under normal operating conditions, the tubing has an expected lifespan of 5–8 years while maintaining structural integrity. It also demonstrates excellent weather resistance, showing no cracking after 2,000 hours of weathering testing. Store in a dry, cool environment away from direct sunlight for best results.