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High-Quality PVDF Heat Shrink Tubing from China Suppliers | Durable Factory Production for Industrial Applications
Product Features
Chemical Resistance
Highly resistant to strong acids, alkalis, organic solvents, and oils, with superior stability compared to traditional plastics.
Broad Temperature Range
Continuous use from -80°C to 175°C; short-term exposure to higher temperatures possible. High thermal deformation temperature prevents cracking after shrinkage.
Mechanical Strength & Wear Resistance
High tensile strength, abrasion-resistant, and anti-cutting, suitable for mechanical transmission parts or high-friction environments.
Electrical Insulation
Low dielectric constant and loss, volume resistivity >10¹⁴Ω·cm, ensuring reliable high-frequency signal transmission.
Flame Retardancy & Safety
Meets UL VW-1 standard, non-dripping during combustion, with high oxygen index for safety-critical applications.
Transparency & Customization
Available in transparent or semi-transparent options for internal component inspection; customizable colors (e.g., black, red, blue) and sizes for identification.
Environmental Durability
ROHS compliant, UV-resistant, and maintains structural integrity in harsh conditions.
Application
Product Application
◎ Electronics & Semiconductor: Insulation for high-frequency circuits, solder joint protection, cable labeling.
◎ Industrial & Chemical: Chemical pipeline corrosion resistant, anti-wear for mechanical parts, oil-resistant protection.
Product Application
◎ Medical Devices: Medical-grade products meet USP Class VI standards for sterile equipment insulation and biocompatible applications.
◎ Renewable Energy & Aerospace: Protection for lithium battery modules, high-temperature resistant aviation wiring.
Characteristics
| Performance | Index | Test method / condition | Typical value |
|---|---|---|---|
| Tensile strength | 34.5Mpa min | ASTM D 638 | ≥40Mpa |
| elongation at break | 150% min | ASTM D 638 | ≥300% |
| Elongation at break after thermal aging | 50% min | 250℃×168h | ≥200% |
| Flame retardancy | VW-1 | UL 224 | Pass |
| Longitudinal shrinkage | ≤10% | ASTM D 2671 | ≤5% |
| Volume resistivity | 1013Ω.cm min | ASTM D 876 | ≥1013Ω.cm min |
| Shrinkage temperature | 125℃~150℃ | —— | |
| Usage temperature | —55℃~175℃ | —— | |
| Cold bending flexibility | No crack | -55℃×4h | No crack |
| thermal shock | No crack | 275℃×4h | No crack |
| corrosive | No corrosion | ASTM D 2671 | No corrosion |
| breakdown | 2500V.60sec, No breakdown | ASTM D 2671 | No breakdown |
Product specification sheet
Product Specification Sheet ( Shrinkage Ration 2:1)
| Size | Inner diameter before contraction | Dimension after shrinkage | Standard package (M / Tray) | |
|---|---|---|---|---|
| Internal diameter | Wall thickness | |||
| Φ1.2 | ≥1.2 | ≤0.6 | 0.25±0.05 | 200 |
| Φ1.6 | ≥1.6 | ≤0.8 | 0.25±0.05 | 200 |
| Φ2.4 | ≥2.4 | ≤1.2 | 0.25±0.05 | 200 |
| Φ3.2 | ≥3.2 | ≤1.6 | 0.25±0.05 | 200 |
| Φ4.8 | ≥4.8 | ≤2.4 | 0.25±0.05 | 100 |
| Φ6.4 | ≥6.4 | ≤3.2 | 0.30±0.08 | 100 |
| Φ9.5 | ≥9.5 | ≤4.8 | 0.30±0.08 | 100 |
| Φ12.7 | ≥12.7 | ≤6.4 | 0.30±0.08 | 100 |
| Φ19.1 | ≥19.1 | ≤9.5 | 0.43±0.08 | 100 |
| Φ25.4 | ≥25.4 | ≤12.7 | 0.48±0.08 | 50 |
| Φ38.1 | ≥38.1 | ≤19.1 | 0.51±0.08 | 50 |
| Φ50.8 | ≥50.8 | ≤25.4 | 0.58±0.08 | 50 |
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 |
Note
1. The ordinary color is Clear, all other Colors/Specification/Wall Thickness can be made as per customization.
2. High-temperature resistant PVDF Heat Shrink Tube can be made as per customized special sizes and package.
Make an free consultant
Frequently Asked Questions (FAQ)
What is the shrink ratio of your PVDF heat shrink tubing?
We offer PVDF heat shrink tubing in both 2:1 and 4:1 shrink ratios to accommodate various application requirements and irregular component profiles.
What is the operating temperature range for this product?
Our PVDF heat shrink tubing is designed for continuous use in extreme environments, maintaining performance from -55°C up to 175°C.
Does the PVDF heat shrink tubing meet flame retardancy standards?
Yes, it meets the stringent UL VW-1 flame retardancy standard, ensuring high safety and flame resistance in demanding electronic and aerospace applications.
Can I request custom sizes, colors, or wall thicknesses?
Absolutely. While clear (transparent) is our standard option, we can customize colors (black, red, blue, etc.), special specifications, and wall thicknesses to fit your needs.
How does PVDF tubing compare to standard polyolefin tubing?
PVDF tubing offers significantly higher mechanical strength, superior chemical and solvent resistance, and a higher continuous operating temperature limit compared to standard polyolefin.