| After-sales Service: | on-Line Service |
|---|---|
| Warranty: | 1 Year |
| Material: | PTFE |
| 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 presents the W-SPTFE 1.7:1 4:1 PTFE Heat Shrinkable Tubing. This high-quality tubing is made of PTFE, ensuring exceptional performance in high-temperature environments, chemical resistance, excellent insulation, and remarkable mechanical properties.
Designed to provide insulation and mechanical protection in severe chemical and thermal environments, this heat shrinkable tubing finds wide applications in the electronic, aerospace, military, and communication fields. It is commonly used to cover hydraulic hoses and couplings, effectively preventing contamination and corrosion.
With its high mechanical strength and extremely low coefficient of friction, this tubing is ideal for reducing damage to bearing shafts and similar applications.
Experience the outstanding features and benefits of the W-SPTFE 1.7:1 4:1 PTFE Heat Shrinkable Tubing, brought to you by Shanghai Wellco International Limited.
|
Property
|
Requirement
|
Test method
|
Typical data
|
|
Longitudinal shrinkage
|
≤10%
|
ASTM D 2671
|
≤5%
|
|
Tensile strength
|
≥17.3 MPa
|
ASTM D 2671
|
≥ 22MPa
|
|
Elongation at break
|
≥200%
|
ASTM D 2671
|
≥300%
|
|
Dielectric voltage withstand
|
2500V,60sec, no
breakdown
|
ASTM D 2671
|
pass
|
|
Volume resistivity
|
1015Ω·cm min.
|
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
|
|
Size
|
ID as supplied
|
ID After shrinked
|
Wall after shrinked
|
|
1.7:1
|
|||
|
φ0.5
|
0.7±0.2
|
≤0.30
|
0.15±0.05
|
|
φ1.0
|
1.0±0.2
|
≤0.60
|
0.15±0.05
|
|
φ1.5
|
1.5±0.2
|
≤0.90
|
0.15±0.05
|
|
φ2.0
|
2.0±0.2
|
≤1.30
|
0.15±0.05
|
|
φ2.5
|
2.5±0.2
|
≤1.50
|
0.15±0.05
|
|
φ3.0
|
3.0±0.2
|
≤1.80
|
0.20±0.05
|
|
φ3.5
|
3.5±0.2
|
≤2.0
|
0.20±0.05
|
|
φ3.8
|
3.8±0.2
|
≤2.2
|
0.20±0.05
|
|
φ4.0
|
4.0±0.3
|
≤2.5
|
0.20±0.05
|
|
φ4.5
|
4.5±0.3
|
≤2.7
|
0.20±0.05
|
|
φ5.0
|
5.0±0.3
|
≤3.0
|
0.20±0.05
|
|
φ6.0
|
6.0±0.3
|
≤3.6
|
0.25±0.05
|
|
φ6.5
|
6.5±0.3
|
≤4.0
|
0.25±0.05
|
|
φ7.0
|
7.0±0.3
|
≤4.2
|
0.25±0.05
|
|
φ8.0
|
8.0±0.3
|
≤4.8
|
0.25±0.05
|
|
φ9.0
|
9.0±0.3
|
≤5.3
|
0.25±0.05
|
|
φ10.0
|
10.0±0.2
|
≤5.8
|
0.25±0.05
|
|
φ11.0
|
11±0.2
|
≤6.8
|
0.25±0.05
|
|
φ12
|
12±0.2
|
≤7.1
|
0.35±0.05
|
|
φ14
|
14.0±0.3
|
≤8.2
|
0.35±0.05
|
|
φ15
|
15±0.3
|
≤15
|
0.35±0.05
|
|
φ16
|
16±0.3
|
≤9.4
|
0.35±0.05
|
|
φ17
|
17±0.3
|
≤10
|
0.35±0.05
|
|
φ18
|
18±0.3
|
≤10.5
|
0.35±0.05
|
|
φ19
|
19±0.3
|
≤11.2
|
0.35±0.05
|
|
φ20
|
20±0.3
|
≤11.8
|
0.35±0.05
|
|
φ21
|
21±0.3
|
≤12.3
|
0.35±0.05
|
|
φ22
|
22±0.3
|
≤12.6
|
0.35±0.05
|
|
4:1
|
|||
|
φ2.5
|
2.5±0.2
|
≤0.7
|
0.15±0.1
|
|
φ3.2
|
3.0±0.2
|
≤0.8
|
0.15±0.1
|
|
φ4.0
|
4.0±0.2
|
≤1
|
0.15±0.1
|
|
φ5.0
|
5.0±0.2
|
≤1.2
|
0.15±0.1
|
|
φ6.0
|
6.0±0.2
|
≤1.5
|
0.15±0.1
|
|
φ7.0
|
7.0±0.2
|
≤1.8
|
0.2±0.1
|
|
φ8.0
|
8.0±0.3
|
≤2
|
0.2±0.1
|
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 a variety of heat shrink tubes and insulation tubes made from materials such as modified PE, PVDF, FEP, EPDM, Silicone, FKM, FEP, PTFE, and more. Our products find applications in various industries including electronic communication, automobile, high-speed rail, electric motor, aviation, medical, and more. 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 processes adhere to ISO9001 and IATF16949 quality management system standards to ensure 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 and other radiation crosslinking insulation materials. With over 20 years of experience in insulation, our founder has established a reputation for delivering high-quality products.
We prioritize quality and ensure that our products meet the highest standards. We conduct a pre-production sample before mass production and perform a final inspection before shipment to guarantee the quality of our products.
At Shanghai Wellco International Limited, we offer a wide range of products including heat shrink tubes, heat shrink mould parts, marking sleeves, and cold shrink tubes. Our products are designed to provide effective insulation and meet various industry requirements.
When it comes to purchasing insulation materials, there are several reasons why you should choose us over other suppliers. Our company has a strong focus on research and development, ensuring that we deliver innovative and reliable products. Additionally, our team has extensive experience in the industry, with over 20 years of expertise in insulation. We are committed to providing excellent customer service and delivering products that meet your specific needs.
We offer a range of services to cater to your needs. We accept various delivery terms, including FOB, CFR, CIF, EXW, CIP, FCA, DDP, DDU, and Express Delivery. You can make payments in USD, EUR, or CNY through methods such as T/T, L/C, MoneyGram, PayPal, or Western Union. Our team is fluent in English, Chinese, and Japanese, ensuring effective communication throughout the process.
Suppliers with verified business licenses
Audited Supplier 
){kind=link}
){kind=link}