+86-17688612661 
Hot Products
High-Quality PVDF Heat Shrink Tubing from China Suppliers - Reliable Factory for Durable Protective Solutions
★ 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 | 34.5 MPa min | ASTM D 638 | ≥40 MPa |
| 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
📋 Shrinkage Ratio 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 / Specifications / 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.
2. High-temperature resistant PVDF Heat Shrink Tube can be made as per customized special sizes and package.
❓ Frequently Asked Questions
1 What is the operating temperature range of this PVDF heat shrink tube?
This PVDF heat shrink tube supports continuous use from -80°C to 175°C, with short-term exposure to even higher temperatures. The high thermal deformation temperature prevents cracking after shrinkage, making it ideal for extreme thermal environments.
2 What shrinkage ratios are available?
The PVDF heat shrink tube is available in two shrinkage ratios: 2:1 and 4:1. A wide range of sizes (from Φ1.2 to Φ50.8 for 2:1, and 1.5mm to 16.0mm for 4:1) are offered to suit various application requirements.
3 Does this heat shrink tube meet any flame retardancy or safety standards?
Yes. The tube meets the UL VW-1 flame retardancy standard and passes the UL 224 test. It does not drip during combustion and features a high oxygen index, making it suitable for safety-critical applications.
4 Can this tube be used in medical or food-contact applications?
Medical-grade versions of this product meet USP Class VI standards, making them suitable for sterile equipment insulation and biocompatible applications. The product is also ROHS compliant for environmental safety.
5 What customization options are available for this PVDF heat shrink tube?
The tube is available in transparent or semi-transparent options for internal component inspection. Custom colors (such as black, red, and blue), special sizes, wall thicknesses, and packaging are all available upon
request. Please contact us with your specific requirements for a tailored quote.
6 What industries and applications is this PVDF heat shrink tube suitable for?
This tube is widely used across multiple industries including Electronics & Semiconductors (high-frequency circuit insulation, cable labeling), Industrial & Chemical (corrosion-resistant pipeline protection, anti-wear mechanical parts), Medical Devices (sterile equipment insulation), and Renewable Energy & Aerospace (lithium battery module protection, high-temperature aviation wiring).