| After-sales Service: | on-Line Service |
|---|---|
| Warranty: | 1year |
| Material: | PFA |
| Samples: |
|---|
| Customization: |
|---|
|
Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
|---|
| Payment Method: |
|
|---|---|
| Initial Payment Full Payment |
| Currency: | US$ |
|---|
| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
|---|
Suppliers with verified business licenses
Audited Supplier 
Shanghai Wellco International Limited is proud to present our high-quality PFA Heat Shrink Tube. Made of PFA, this heat shrinkable tubing offers exceptional performance in high-temperature environments, with excellent chemical resistance, insulation, and mechanical properties.
Our PFA heat shrink tube is designed to provide insulation and mechanical protection in even the most severe chemical and thermal environments. It is widely used in electronic, aerospace, military, and communication fields. Compared to PTFE tubing, PFA offers superior clarity, ensuring clear visibility of the contents.
With our PFA Heat Shrink Tube, you can trust that your electronic, aerospace, military, and communication applications will be well-protected in even the harshest conditions. Choose Shanghai Wellco International Limited for high-quality products that meet your needs.
|
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
|
≤11.4
|
0.50±0.10
|
|
Φ21.1
|
21.1
|
≤13.0
|
0.64±0.10
|
|
Φ29.7
|
29.7
|
≤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, FEP, PTFE, and more. 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 based on customer needs. Our production adheres 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. Since 2017, we have been specializing in the production and sales of special heat shrink tubes, heat shrink mould parts, marking sleeves, and cold shrink tubes. With over 20 years of experience in insulation, our founder has established our company as a reliable source for high-quality insulation materials.
We prioritize quality in every step of our production process. Before mass production, we always provide a pre-production sample for approval. Additionally, a final inspection is conducted before shipment to ensure that our products meet the highest standards.
At Shanghai Wellco International Limited, we offer a wide range of products, including:
When it comes to purchasing insulation materials, there are several reasons why you should choose us over other suppliers:
We offer a range of services to meet your needs:
Choose Shanghai Wellco International Limited for reliable and high-quality insulation materials. Contact us today to discuss your requirements.
Suppliers with verified business licenses
Audited Supplier 
){kind=link}
){kind=link}