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High-Quality PVDF Heat Shrink Tube from China Suppliers | Reliable Factory for Durable Protection 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.
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Transparency & Customization
Available in transparent or semi-transparent options for internal component inspection; customizable colors (e.g., black, red, blue) and sizes for identification.
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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
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 / 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
QWhat is the operating temperature range of the PVDF heat shrink tube?
The PVDF heat shrink tube supports continuous use from -80°C to 175°C. It can also withstand short-term exposure to higher temperatures, making it suitable for demanding thermal environments in aerospace, automotive, and industrial applications.
QWhat shrinkage ratios are available for the PVDF heat shrink tube?
The PVDF heat shrink tube is available in both 2:1 and 4:1 shrinkage ratios, covering a wide range of sizes from Φ1.2 to Φ50.8 (2:1) and specifications from 1.5 to 16.0 (4:1), suitable for various cable and connector protection needs.
QDoes the PVDF heat shrink tube meet flame retardancy standards?
Yes. The PVDF heat shrink tube meets the UL VW-1 flame retardancy standard and is tested under UL 224. It is non-dripping during combustion and features a high oxygen index, making it ideal for safety-critical applications.
QCan PVDF heat shrink tubing be used in medical and food-grade applications?
Yes. Medical-grade PVDF heat shrink tubes are available that meet USP Class VI standards. They are suitable for sterile equipment insulation, biocompatible applications, and environments requiring stringent cleanliness and chemical resistance.
QIs customization available for color, size, and wall thickness?
Absolutely. The standard color is Clear (transparent), but custom colors such as black, red, and blue are available. Special sizes, wall thicknesses, and packaging can also be produced according to your specific requirements.
QWhat chemical resistance does the PVDF heat shrink tube offer?
The PVDF heat shrink tube offers excellent resistance to strong acids, alkalis, organic solvents, and oils. It is also ROHS compliant and UV-resistant, ensuring long-term structural integrity even in harsh chemical environments.