Audited Supplier
W-SPTFE 1.7:1 4:1 PTFE Heat Shrinkable Tubing
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, offering exceptional high-temperature performance, chemical resistance, insulation, and mechanical properties.
Designed to provide insulation and mechanical protection in severe chemical and thermal environments, this heat shrinkable tubing finds extensive applications in electronic, aerospace, military, and communication fields. It is particularly useful for covering hydraulic hose and couplings, effectively preventing contamination and corrosion.
With a shrink ratio of 1.7:1 or 4:1, this tubing ensures a secure and tight fit. It boasts excellent flammability and is resistant to high temperatures up to 260ºC. Its remarkable physical properties and chemical resistance make it a reliable choice for various applications.
The W-SPTFE 1.7:1 4:1 PTFE Heat Shrinkable Tubing is RoHS and REACH compliant, ensuring its adherence to environmental standards.
Key Features:
- Operating temperature range: -67ºC to 260ºC
- Minimum fully recovery temperature: 350ºC
- Standard color: Clear
- Shrink ratio: 1.7:1 or 4:1
- Excellent flammability
- High temperature resistance up to 260ºC
- Outstanding physical properties and chemical resistance
Choose the W-SPTFE 1.7:1 4:1 PTFE Heat Shrinkable Tubing for superior insulation, mechanical protection, and reliability in challenging environments. 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
With 18 years of experience, Shanghai Wellco International Limited is a professional team specializing in the research and development, production, and sales of special heat shrink tubes and other radiation crosslinking materials. We offer 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.
Our company boasts a strong technical force with 20 years of experience and advanced production equipment. We provide heat shrink tubes and insulation tubes made from various materials such as modified PE, PVDF, FEP, EPDM, Silicone, FKM, FEP, PTFE, and more. These products find applications in electronic communication, automobile, high-speed rail, electric motor, aviation, medical, and other industries, offering insulation, water-proofing, electrostatic shielding, oil resistance, chemical resistance, and high-temperature protection.
All our products have passed UL certification, RoHS, and REACH standards, ensuring their quality and safety.
At Shanghai Wellco International Limited, we also offer customized products and develop solutions according to specific customer requirements. Our production adheres to the ISO9001 and IATF16949 quality management system standards, guaranteeing the stability and reliability of our product quality.
1. who are we?We are based in Shanghai, China, start from 2017,sell to North America(20.00%),South Asia(20.00%),Southeast Asia(15.00%),Western Europe(15.00%),South America(5.00%),Eastern Europe(5.00%),Mid East(5.00%),Northern Europe(5.00%),Eastern Asia(3.00%),Domestic Market(3.00%),Southern Europe(2.00%),Africa(00.00%),Central America(00.00%). There are total about 5-10 people in our office.
2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3.what can you buy from us?
Heat Shrink Tube/Heat Shrink Mould Part/Marking Sleeve/Cold Shrink Tube
4. why should you buy from us not from other suppliers?
Shanghai Wellco International Limited is a professional R & D, production, sales of special heat shrink Tube and other radiation crosslinking insulation materials manufacturers And the founder have the experience for the insulation more than 20years
5. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,CIP,FCA,DDP,DDU,Express Delivery;
Accepted Payment Currency:USD,EUR,CNY;
Accepted Payment Type: T/T,L/C,MoneyGram,PayPal,Western Union;
Language Spoken:English,Chinese, Japanese
