| After-sales Service: | on-Line Service |
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| Warranty: | 1year |
| Material: | PFA |
| Samples: |
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| Customization: |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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| Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Suppliers with verified business licenses
Audited Supplier 
Introducing the PFA Heat Shrink Tube by Shanghai Wellco International Limited. This heat shrinkable tubing is made of PFA, a material known for its exceptional high-temperature performance, chemical resistance, insulation, and mechanical properties.
Designed to provide insulation and mechanical protection in severe chemical and thermal environments, our PFA heat shrink tube is widely used in the electronic, aerospace, military, and communication fields. Its superior physical and chemical properties make it an ideal choice for various applications.
With its outstanding high-temperature performance, chemical resistance, insulation, and mechanical properties, our PFA heat shrink tube is the perfect choice for demanding applications. Trust Shanghai Wellco International Limited for reliable and top-quality products.
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Property
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Requirement
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Test method
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Typical data
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Longitudinal shrinkage
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≤5%
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ASTM D 2671
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≤3%
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Tensile strength
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≥17.3 MPa
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ASTM D 2671
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≥ 25 MPa
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Elongation at break
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≥200%
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ASTM D 2671
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≥300%
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Dielectric voltage
withstand
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2500V,60sec, no
breakdown
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ASTM D 2671
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pass
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Volume resistivity
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≥1015Ω·cm
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ASTM D 876
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≥1016Ω·cm
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Corrosion
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No corrosion
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ASTM D 2671
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No corrosion
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Flammability
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VW-1
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UL224
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pass
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Dielectric constant
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|
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2.1
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Friction coefficient
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|
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0.1-0.2
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Size
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ID as supplied
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ID After shrinked
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Wall after shrinked
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1.3:1
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|||
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φ0.8
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0.8
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≤0..69
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0.20±0.05
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φ1.0
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1.0
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≤0.8
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0.20±0.05
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φ1.5
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1.5
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≤1.0
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0.20±0.05
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Φ1.9
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1.9
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≤1.20
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0.20±0.05
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φ2.3
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2.3
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≤1.60
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0.23±0.05
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Φ2.9
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2.9
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≤1.80
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0.23±0.05
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Φ3.6
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3.6
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≤2.3
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0.23±0.05
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φ4.0
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4.0
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≤2.9
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0.25±0.07
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φ4.6
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4.6
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≤3.2
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0.25±0.07
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φ5.0
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5.0
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≤3.6
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0.25±0.07
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Φ5.7
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5.7
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≤4.0
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0.28±0.10
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Φ6.4
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6.4
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≤4.6
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0.28±0.10
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φ7.4
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7.4
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≤5.0
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0.28±0.10
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Φ7.9
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7.9
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≤5.8
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0.28±0.10
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Φ9.2
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9.2
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≤6.4
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0.30±0.10
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Φ12.7
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12.7
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≤7.9
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0.38±0.10
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Φ14.7
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14.7
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≤9.7
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0.50±0.10
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Φ16.9
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16.9
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≤11.4
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0.50±0.10
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Φ21.1
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21.1
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≤13.0
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0.64±0.10
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Φ29.7
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29.7
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≤16.1
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0.90±0.10
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Φ33.8
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33.8
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≤22.7
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0.90±0.10
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Φ38.1
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38.1
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≤26.0
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0.90±0.10
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1.6:1
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|||
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Φ2.4
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2.4
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≤1.5
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0.20±0.08
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Φ3.2
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3.2
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≤2.0
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0.25±0.08
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Φ4.8
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4.8
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≤3.0
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0.25±0.08
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Φ6.4
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6.4
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≤4.0
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0.25±0.08
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Φ9.6
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9.6
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≤6.0
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0.31±0.08
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Φ12.7
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12.7
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≤7.9
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0.38±0.10
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Φ19.1
|
19.1
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≤11.9
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0.51±0.10
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Φ25.4
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25.4
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≤15.9
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0.64±0.13
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Φ38.1
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38.1
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≤23.8
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0.76±0.13
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Other sizes are available upon request
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|||
With 18 years of experience, Shanghai Wellco International Limited is a professional team specializing in the research and development, production, and sales of special heat shrink tubes and other radiation crosslinking materials. Our focus is on providing a wide range of products and solutions for insulation, connection, waterproofing, high temperature resistance, chemical resistance, EMI protection, and mechanical protection for wire and cable applications.
Our company boasts a strong technical force with 20 years of experience and advanced production equipment. We offer a variety of heat shrink tubes and insulation tubes made from materials such as modified PE, PVDF, FEP, EPDM, Silicone, FKM, FEP, and PTFE. These products find extensive use in electronic communication, automobile, high-speed rail, electric motor, aviation, medical, and other industries. They provide insulation, water-proofing, electrostatic shielding, oil resistance, chemical resistance, and high-temperature protection. Our products have obtained UL certification, RoHS compliance, and REACH compliance.
In addition to our standard product range, we also offer customization and development of products with special requirements to meet our customers' needs. Our production processes adhere to ISO9001 and IATF16949 quality management system standards, ensuring the stability and reliability of our product quality.
Shanghai Wellco International Limited is a professional R&D, production, and sales company based in Shanghai, China. We have been in the insulation industry for over 20 years, specializing in the manufacturing of special heat shrink tubes and other radiation crosslinking insulation materials.
We sell our products to various regions around the world, including North America (20.00%), South Asia (20.00%), Southeast Asia (15.00%), Western Europe (15.00%), South America (5.00%), Eastern Europe (5.00%), Mid East (5.00%), Northern Europe (5.00%), Eastern Asia (3.00%), Domestic Market (3.00%), Southern Europe (2.00%), Africa (00.00%), and Central America (00.00%).
We prioritize quality and ensure it through the following measures:
Our product range includes:
There are several reasons why you should choose us over other suppliers:
We offer the following services:
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