| Certification: | ISO, RoHS Reach |
|---|---|
| Color: | Clear, Other Color Available Upon Request |
| Usage: | Optical Cable, Lighting Decoration, Earphone Line, Electric Wire, DVI Line, HDMI Cable |
| 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, a high-performance solution designed to meet the insulation and mechanical protection needs in severe chemical and thermal environments.
Made of PTFE, this heat shrinkable tubing offers exceptional high-temperature performance, chemical resistance, high insulation, and excellent mechanical properties. Its versatility makes it widely used in various industries, including electronics, aerospace, military, and communication.
One of the key applications of this tubing is to cover hydraulic hose and couplings, providing reliable protection against contamination and corrosion. Its high mechanical strength and extremely low coefficient of friction make it ideal for reducing damage to bearing shafts and similar applications.
With an operating temperature range of -67ºC to 260ºC, this tubing can withstand extreme temperatures. It has a minimum fully recovery temperature of 350ºC, ensuring optimal performance in demanding conditions.
The W-SPTFE 1.7:1 4:1 PTFE Heat Shrinkable Tubing comes in a standard clear color, allowing for easy visibility and inspection. It has a shrink ratio of 1.7:1 to 4:1, providing a secure and tight fit.
In addition to its impressive physical properties and chemical resistance, this tubing is also RoHS and REACH compliant, meeting the highest standards of environmental safety.
Choose the W-SPTFE 1.7:1 4:1 PTFE Heat Shrinkable Tubing for its excellent flammability, high temperature resistance, and reliable insulation and mechanical protection. Trust Shanghai Wellco International Limited for top-quality products that meet your needs.
|
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 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.
In addition to our standard product range, we also offer customized products and develop solutions to meet specific customer requirements. Our production processes adhere to ISO9001 and IATF16949 quality management system standards, ensuring the stability and reliability of our product quality.
Suppliers with verified business licenses
Audited Supplier 
){kind=link}
){kind=link}