| Certification: | RoHS, ISO, Reach |
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| Color: | Orange |
| Usage: | Optical Cable, Lighting Decoration, Earphone Line, Electric Wire, DVI Line, HDMI Cable |
| 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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Audited Supplier 
Introducing our high-quality Fluoroelastomer material, designed to meet the reading habits of English-speaking natives. With an impressive operating temperature range of -55ºC to 200ºC, this material is perfect for various applications.
Our Fluoroelastomer boasts a contraction temperature above 175ºC, ensuring reliable performance even in extreme conditions. With a contraction ratio of 2:1, it provides excellent protection and insulation for electronic devices, resistors, capacitors, and thermocouples.
Featuring high-temperature resistance, flame retarding properties, flexibility, and oil, acid, and alkali resistance, our Fluoroelastomer is a versatile choice for demanding environments.
Available in black, red, yellow, and blue, our Fluoroelastomer is UL approved, guaranteeing its quality and safety.
Trust Shanghai Wellco International Limited for all your high-temperature and oil-resistant protection needs. Order our Fluoroelastomer today and experience the difference!
| Property | Requirement | Test method | Typical data |
| Longitudinal shrinkage | ≤10% | ASTM D 2671 | ≤5% |
| Tensile strength | ≥8.2MPa | ASTM D 2671 | ≥12 MPa |
| Elongation at break | ≥250% | ASTM D 2671 | ≥400% |
| Elongation after ageing (250ºC,168hrs) |
≥200% | ASTM D 2671 | ≥300% |
| Heat shock(300ºC,4hrs) | No crack | ASTM D 2671 | No crack |
| Low-temperature flexibility(-55ºC,4hrs) |
No crack | ASTM D 2671 | No crack |
| Dielectric voltage withstand |
2500V,60sec, no breakdown |
ASTM D 2671 |
pass |
| Dielectric strength | 7.9 KV/mm min. | ASTM D 2671 | ≥12 KV/mm |
| Volume resistivity | 109Ω·cm min. | ASTM D 876 | ≥109Ω·cm |
| Corrosion | No corrosion | ASTM D 2671 | pass |
| Flammability |
Self-extinguishing within 15s |
ASTM D 2671 |
pass |
| Fluids resistance (23ºC ,24hrs) | |||
| Tensile strength | 8.2MPa min. | ASTM D 2671 | ≥12 MPa |
| Elongation at break | 250% min. | ASTM D 2671 | ≥400% |
| KB-VT Normal wall Type | ||||
| Size | (mm) As Supplied min.) Inside diameter |
(mm) After recovered |
||
| inch |
mm |
(max.) Inside diameter |
Wall thickness |
|
| 3/32 | Ф2.4 | 2.4 | 1.2 | 0.51±0.08 |
| 1/8 | Ф3.2 | 3.2 | 1.6 | 0.76±0.13 |
| 3/16 | Ф4.8 | 4.8 | 2.4 | 0.89±0.18 |
| 1/4 | Ф6.4 | 6.4 | 3.2 | 0.89±0.18 |
| 3/8 | Ф9.5 | 9.5 | 4.8 | 0.89±0.18 |
| 1/2 | Ф12.7 | 12.7 | 6.4 | 0.89±0.18 |
| 3/4 | Ф19.1 | 19.1 | 9.5 | 1.07±0.21 |
| 1 | Ф25.4 | 25.4 | 12.7 | 1.25±0.30 |
| 1 1/2 | Ф38.1 | 38.1 | 19.1 | 1.40±0.38 |
| 2 | Ф50.8 | 50.8 | 25.4 | 1.65±0.43 |
| KB-VT thin wall Type | ||||
| size |
(mm) As supplied |
(mm) After recovered |
||
inch |
mm |
(min.) Inside diameter |
(max.) Inside diameter |
Wall thickness |
| 3/32 | Ф2.4 | 2.4 | 1.2 | 0.30±0.08 |
| 1/8 | Ф3.2 | 3.2 | 1.6 | 0.33±0.08 |
| 3/16 | Ф4.8 | 4.8 | 2.4 | 0.36±0.10 |
| 1/4 | Ф6.4 | 6.4 | 3.2 | 0.41±0.10 |
| 3/8 | Ф9.5 | 9.5 | 4.8 | 0.48±0.10 |
| 1/2 | Ф12.7 | 12.7 | 6.4 | 0.48±0.10 |
| 3/4 | Ф19.1 | 19.1 | 9.5 | 0.69±0.10 |
| 1 | Ф25.4 | 25.4 | 12.7 | 0.79±0.10 |
| 1 1/2 | Ф38.1 | 38.1 | 19.1 | 0.94±0.10 |
| 2 | Ф50.8 | 50.8 | 25.4 | 1.02±0.10 |
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. Our focus is on 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.
Our company boasts a strong technical force with 20 years of experience 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. These products find extensive 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 resistance, ensuring reliable protection.
All our products have passed UL certification, RoHS, and REACH standards, guaranteeing their quality and compliance with industry regulations.
In addition to our standard product range, we also offer customization options 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.
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 based in Shanghai, China and have been operating since 2017. Our office consists of a dedicated team of 5-10 people.
We prioritize quality and ensure it through the following measures:
At Shanghai Wellco International Limited, we offer a range of high-quality products, including:
There are several reasons why you should choose us over other suppliers:
We offer the following services:
Suppliers with verified business licenses
Audited Supplier 
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