| Certification: | RoHS, ISO |
|---|---|
| Color: | Black |
| 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. |
|---|
| 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. |
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Suppliers with verified business licenses
Audited Supplier 
|
Property
|
Requirement
|
Test method
|
Typical data
|
|
Longitudinal shrinkage
|
≤10%
|
ASTM D 2671
|
≤5%
|
|
Tensile strength
|
≥11.7MPa
|
ASTM D 2671
|
≥13 MPa
|
|
Elongation at break
|
≥200%
|
ASTM D 2671
|
≥400%
|
|
Tensile strength after ageing(150ºC,168hrs)
|
≥10.3MPa
|
ASTM D 2671
|
≥12 MPa
|
|
Elongation after ageing (150ºC,168hrs)
|
≥200%
|
ASTM D 2671
|
≥300%
|
|
Heat shock(200ºC,4hrs)
|
No crack
|
ASTM D 2671
|
No crack
|
|
Low-temperature flexibility
(-65ºC,4hrs)
|
No crack
|
ASTM D 2671
|
No crack
|
|
Dielectric voltage withstand
|
2500V,60sec, no
breakdown
|
ASTM D 2671
|
No breakdown
|
|
Dielectric strength
|
11.9 KV/mm min.
|
ASTM D 2671
|
≥16KV/mm
|
|
Volume resistivity
|
109Ω·cm min.
|
ASTM D 876
|
≥1010cm
|
|
Copper corrosion
|
No corrosion
|
ASTM D 2671
|
No corrosion
|
|
Flammability
|
Self-extinguishing
within one minute
|
ASTM D 2671
|
pass
|
|
Fluids resistance (23° C, 24hrs)
|
|||
|
Tensile strength
|
10.3MPa min.
|
ASTM D 2671
|
≥12 MPa
|
|
Elongation at break
|
200% min.
|
ASTM D 2671
|
≥300%
|
|
Dielectric strength
|
7.9 KV/mm min.
|
ASTM D 2671
|
≥12KV/mm
|
|
Size
|
As supplied(mm)
|
After recovered (mm)
|
||
|
Inch
|
mm
|
ID(Min)
|
ID(max.)
|
Wall thicknes
|
|
3/32
|
Φ2.4
|
2.4
|
1.2
|
0.51±0.08
|
|
1/8
|
Φ3.2
|
3.2
|
1.6
|
0.76±0.15
|
|
3/16
|
Φ4.8
|
4.8
|
2.4
|
0.84±0.15
|
|
1/4
|
Φ6.4
|
6.4
|
3.2
|
0.89±0.15
|
|
3/8
|
Φ9.5
|
9.5
|
4.8
|
1.02±0.20
|
|
1/2
|
Φ12.7
|
12.7
|
6.4
|
1.22±0.20
|
|
3/4
|
Φ19.1
|
19.1
|
9.5
|
1.45±0.28
|
|
1
|
Φ25.4
|
25.4
|
12.7
|
1.78±0.28
|
|
1 1/2
|
Φ38.1
|
38.1
|
19.1
|
2.41±0.41
|
|
2
|
Φ50.8
|
50.8
|
25.4
|
2.79±0.41
|
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 are dedicated to 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 specialize in supplying 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 extensive applications in electronic communication, automobile, high-speed rail, electric motor, aviation, medical, and other industries. They offer insulation, water-proofing, electrostatic shielding, oil resistance, chemical resistance, and high-temperature protection. Moreover, our products have passed UL certification, RoHS, and REACH compliance.
We also offer customization options to meet specific customer requirements and can develop products with special needs. Our production adheres to ISO9001 and IATF16949 quality management system standards, ensuring the stability and reliability of product quality.
Shanghai Wellco International Limited is a professional R & D, production, and sales company based in Shanghai, China. We have been operating since 2017 and have a team of 5-10 dedicated individuals in our office. Our products are sold globally, with a significant presence in North America (20.00%), South Asia (20.00%), Southeast Asia (15.00%), Western Europe (15.00%), and other regions.
We prioritize quality and ensure that every product meets our standards. We conduct a pre-production sample before mass production and perform a final inspection before shipment to guarantee the highest quality standards.
Our product range includes Heat Shrink Tube, Heat Shrink Mould Part, Marking Sleeve, and Cold Shrink Tube. These products are designed to provide efficient and reliable insulation solutions for various applications.
With over 20 years of experience in the insulation industry, our founder has established Shanghai Wellco International Limited as a trusted manufacturer of special heat shrink tubes and other radiation crosslinking insulation materials. We are committed to delivering exceptional products and services to our customers.
We offer a range of services to ensure a smooth and convenient experience for our customers. We accept various delivery terms, including FOB, CFR, CIF, EXW, CIP, FCA, DDP, DDU, and Express Delivery. Our accepted payment currencies are USD, EUR, and CNY, and we accept payment methods such as T/T, L/C, MoneyGram, PayPal, and Western Union. We are fluent in English, Chinese, and Japanese to cater to our diverse customer base.
Suppliers with verified business licenses
Audited Supplier 
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