| After-sales Service: | on-Line Service |
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| Warranty: | 1 Year |
| Material: | PTFE |
| 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 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. It is widely used in various industries including electronics, aerospace, military, and communication.
One of its key applications is to cover hydraulic hoses and couplings, effectively preventing contamination and corrosion. The tubing's 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 temperature conditions. It has a shrink ratio of 1.7:1 to 4:1, allowing for easy installation and a secure fit. The tubing is also clear in color, providing visibility and easy inspection.
In addition to its impressive physical properties, this PTFE heat shrinkable tubing is highly flammable and resistant to temperatures up to 260ºC. It complies with RoHS and REACH regulations, ensuring its safety and environmental friendliness.
Choose the W-SPTFE 1.7:1 4:1 PTFE Heat Shrinkable Tubing for reliable insulation, mechanical protection, and chemical resistance in demanding environments. Trust Shanghai Wellco International Limited for high-quality products that meet your needs.
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Property
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Requirement
|
Test method
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Typical data
|
|
Longitudinal shrinkage
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≤10%
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ASTM D 2671
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≤5%
|
|
Tensile strength
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≥17.3 MPa
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ASTM D 2671
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≥ 22MPa
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Elongation at break
|
≥200%
|
ASTM D 2671
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≥300%
|
|
Dielectric voltage withstand
|
2500V,60sec, no
breakdown
|
ASTM D 2671
|
pass
|
|
Volume resistivity
|
1015Ω·cm min.
|
ASTM D 876
|
1016Ω·cm
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Corrosion
|
No corrosion
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ASTM D 2671
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No corrosion
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Flammability
|
VW-1
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UL224
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pass
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|
Dielectric constant
|
|
|
2.1
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|
Friction coefficient
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|
|
0.1
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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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1.7:1
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|||
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φ0.5
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0.7±0.2
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≤0.30
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0.15±0.05
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φ1.0
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1.0±0.2
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≤0.60
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0.15±0.05
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φ1.5
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1.5±0.2
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≤0.90
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0.15±0.05
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|
φ2.0
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2.0±0.2
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≤1.30
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0.15±0.05
|
|
φ2.5
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2.5±0.2
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≤1.50
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0.15±0.05
|
|
φ3.0
|
3.0±0.2
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≤1.80
|
0.20±0.05
|
|
φ3.5
|
3.5±0.2
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≤2.0
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0.20±0.05
|
|
φ3.8
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3.8±0.2
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≤2.2
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0.20±0.05
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|
φ4.0
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4.0±0.3
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≤2.5
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0.20±0.05
|
|
φ4.5
|
4.5±0.3
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≤2.7
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0.20±0.05
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φ5.0
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5.0±0.3
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≤3.0
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0.20±0.05
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|
φ6.0
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6.0±0.3
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≤3.6
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0.25±0.05
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φ6.5
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6.5±0.3
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≤4.0
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0.25±0.05
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φ7.0
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7.0±0.3
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≤4.2
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0.25±0.05
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|
φ8.0
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8.0±0.3
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≤4.8
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0.25±0.05
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φ9.0
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9.0±0.3
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≤5.3
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0.25±0.05
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φ10.0
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10.0±0.2
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≤5.8
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0.25±0.05
|
|
φ11.0
|
11±0.2
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≤6.8
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0.25±0.05
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φ12
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12±0.2
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≤7.1
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0.35±0.05
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φ14
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14.0±0.3
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≤8.2
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0.35±0.05
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|
φ15
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15±0.3
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≤15
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0.35±0.05
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|
φ16
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16±0.3
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≤9.4
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0.35±0.05
|
|
φ17
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17±0.3
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≤10
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0.35±0.05
|
|
φ18
|
18±0.3
|
≤10.5
|
0.35±0.05
|
|
φ19
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19±0.3
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≤11.2
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0.35±0.05
|
|
φ20
|
20±0.3
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≤11.8
|
0.35±0.05
|
|
φ21
|
21±0.3
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≤12.3
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0.35±0.05
|
|
φ22
|
22±0.3
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≤12.6
|
0.35±0.05
|
|
4:1
|
|||
|
φ2.5
|
2.5±0.2
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≤0.7
|
0.15±0.1
|
|
φ3.2
|
3.0±0.2
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≤0.8
|
0.15±0.1
|
|
φ4.0
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4.0±0.2
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≤1
|
0.15±0.1
|
|
φ5.0
|
5.0±0.2
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≤1.2
|
0.15±0.1
|
|
φ6.0
|
6.0±0.2
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≤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, FEP, PTFE, etc. 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 compliance.
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, ensuring the stability and reliability of product quality.
Shanghai Wellco International Limited is a professional manufacturer of special heat shrink tubes and other radiation crosslinking insulation materials. With over 20 years of experience in insulation, we are dedicated to providing high-quality products to our customers.
Our product range includes heat shrink tubes, heat shrink mould parts, marking sleeves, and cold shrink tubes. These products are designed to meet various insulation needs.
We guarantee the quality of our products through a rigorous 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 customers receive only the best.
We serve customers worldwide, with a focus on North America (20.00%), South Asia (20.00%), Southeast Asia (15.00%), Western Europe (15.00%), South America (5.00%), Eastern Europe (5.00%), the Middle East (5.00%), Northern Europe (5.00%), Eastern Asia (3.00%), the Domestic Market (3.00%), Southern Europe (2.00%), Africa (00.00%), and Central America (00.00%).
We offer various delivery terms including FOB, CFR, CIF, EXW, CIP, FCA, DDP, DDU, and Express Delivery. Accepted payment currencies are USD, EUR, and CNY, and we accept payment types such as T/T, L/C, MoneyGram, PayPal, and Western Union. Our team is fluent in English, Chinese, and Japanese, ensuring effective communication with our customers.
Suppliers with verified business licenses
Audited Supplier 
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