| 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 
Shanghai Wellco International Limited is proud to present our PFA Heat Shrink Tube, designed to meet the reading habits of English-speaking natives. Made of PFA, this heat shrinkable tubing offers exceptional high-temperature performance, chemical resistance, insulation, and mechanical properties.
Our PFA heat shrink tube is specifically designed to provide insulation and mechanical protection in severe chemical and thermal environments. It finds extensive use in electronic, aerospace, military, and communication fields. Compared to PTFE tubing, PFA offers excellent clarity, ensuring optimal visibility.
With our PFA Heat Shrink Tube, you can trust in its high temperature resistance up to 260ºC, ensuring it can withstand demanding conditions. Its exceptional clarity, flame resistance, and superior physical and chemical properties make it the ideal choice for various applications.
Choose Shanghai Wellco International Limited for top-quality PFA Heat Shrink Tube that meets your needs. Order now and experience the benefits of our reliable and high-performance product!
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Property
|
Requirement
|
Test method
|
Typical data
|
|
Longitudinal shrinkage
|
≤5%
|
ASTM D 2671
|
≤3%
|
|
Tensile strength
|
≥17.3 MPa
|
ASTM D 2671
|
≥ 25 MPa
|
|
Elongation at break
|
≥200%
|
ASTM D 2671
|
≥300%
|
|
Dielectric voltage
withstand
|
2500V,60sec, no
breakdown
|
ASTM D 2671
|
pass
|
|
Volume resistivity
|
≥1015Ω·cm
|
ASTM D 876
|
≥1016Ω·cm
|
|
Corrosion
|
No corrosion
|
ASTM D 2671
|
No corrosion
|
|
Flammability
|
VW-1
|
UL224
|
pass
|
|
Dielectric constant
|
|
|
2.1
|
|
Friction coefficient
|
|
|
0.1-0.2
|
|
Size
|
ID as supplied
|
ID After shrinked
|
Wall after shrinked
|
|
1.3:1
|
|||
|
φ0.8
|
0.8
|
≤0..69
|
0.20±0.05
|
|
φ1.0
|
1.0
|
≤0.8
|
0.20±0.05
|
|
φ1.5
|
1.5
|
≤1.0
|
0.20±0.05
|
|
Φ1.9
|
1.9
|
≤1.20
|
0.20±0.05
|
|
φ2.3
|
2.3
|
≤1.60
|
0.23±0.05
|
|
Φ2.9
|
2.9
|
≤1.80
|
0.23±0.05
|
|
Φ3.6
|
3.6
|
≤2.3
|
0.23±0.05
|
|
φ4.0
|
4.0
|
≤2.9
|
0.25±0.07
|
|
φ4.6
|
4.6
|
≤3.2
|
0.25±0.07
|
|
φ5.0
|
5.0
|
≤3.6
|
0.25±0.07
|
|
Φ5.7
|
5.7
|
≤4.0
|
0.28±0.10
|
|
Φ6.4
|
6.4
|
≤4.6
|
0.28±0.10
|
|
φ7.4
|
7.4
|
≤5.0
|
0.28±0.10
|
|
Φ7.9
|
7.9
|
≤5.8
|
0.28±0.10
|
|
Φ9.2
|
9.2
|
≤6.4
|
0.30±0.10
|
|
Φ12.7
|
12.7
|
≤7.9
|
0.38±0.10
|
|
Φ14.7
|
14.7
|
≤9.7
|
0.50±0.10
|
|
Φ16.9
|
16.9
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≤11.4
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0.50±0.10
|
|
Φ21.1
|
21.1
|
≤13.0
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0.64±0.10
|
|
Φ29.7
|
29.7
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≤16.1
|
0.90±0.10
|
|
Φ33.8
|
33.8
|
≤22.7
|
0.90±0.10
|
|
Φ38.1
|
38.1
|
≤26.0
|
0.90±0.10
|
|
1.6:1
|
|||
|
Φ2.4
|
2.4
|
≤1.5
|
0.20±0.08
|
|
Φ3.2
|
3.2
|
≤2.0
|
0.25±0.08
|
|
Φ4.8
|
4.8
|
≤3.0
|
0.25±0.08
|
|
Φ6.4
|
6.4
|
≤4.0
|
0.25±0.08
|
|
Φ9.6
|
9.6
|
≤6.0
|
0.31±0.08
|
|
Φ12.7
|
12.7
|
≤7.9
|
0.38±0.10
|
|
Φ19.1
|
19.1
|
≤11.9
|
0.51±0.10
|
|
Φ25.4
|
25.4
|
≤15.9
|
0.64±0.13
|
|
Φ38.1
|
38.1
|
≤23.8
|
0.76±0.13
|
|
Other sizes are available upon request
|
|||
Shanghai Wellco International Limited is a professional team with 18 years of experience in R&D, production, and sales of special heat shrink tubes and other radiation crosslinking materials. We specialize in providing a wide range of products and solutions for insulation, connection, waterproofing, high temperature resistance, chemical resistance, EMI protection, and mechanical protection for wires and cables.
With a strong technical force and advanced production equipment, we offer heat shrink tubes and insulation tubes made from various materials such as modified PE, PVDF, FEP, EPDM, Silicone, FKM, and PTFE. Our products find applications 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 passed UL certification, RoHS, and REACH.
We also specialize in producing customized products or developing products with special requirements according to customer needs. Our production processes adhere to ISO9001 and IATF16949 quality management system standards, ensuring the stability and reliability of product quality.
Shanghai Wellco International Limited is a professional manufacturer based in Shanghai, China. We have been in the industry since 2017 and specialize in the production and sales of special heat shrink tubes and other radiation crosslinking insulation materials. With over 20 years of experience in insulation, our founder brings extensive expertise to our products.
We sell our products to various regions around the world:
We ensure the highest quality standards through:
Our product range includes:
We offer the following services:
Suppliers with verified business licenses
Audited Supplier 
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