| Certification: | RoHS, ISO |
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| Color: | Black, Red, Clear, Yellow, Blue |
| Usage: | Optical Cable, Electric Wire |
| 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 Cross-linked Modified Polyolefin, a high-quality material designed for electrical splices, cable terminations, and joints. With its medium wall construction, this product offers excellent electrical and mechanical performance, ensuring reliable connections. The high-shrink-ratio feature allows for easy application over irregular shapes and large connectors.
Key Features:
Experience the durability and reliability of our Cross-linked Modified Polyolefin, suitable for various electrical applications. Trust Shanghai Wellco International Limited for high-quality materials that meet your needs.
|
Property
|
Test Method
|
Typical Data
|
|
Tensile strength
|
ASTM D 2671
|
≥14MPa
|
|
Tensile strength after aging(158°C/168 hrs.)
|
ASTM D 2671
|
≥12 MPa
|
|
Elongation at break
|
ASTM D 2671
|
≥400%
|
|
Elongation at break after aging(158°C/168 hrs.)
|
ASTM D 2671
|
≥300%
|
|
Longitudinal shrinkage
|
UL 224
|
0 to -10%
|
|
Density
|
ASTM D 792
|
1.05g/cm3
|
|
Dielectric strength
|
IEC 243
|
≥20 kV/mm
|
|
Volume resistance
|
IEC 93
|
≥10 14 Ω.cm
|
|
Eccentricity
|
ASTM D 2671
|
<30%
|
|
Copper stability
|
ASTM D 2671
|
Pass
|
|
Resistance to stress cracking
|
ASTM D 1693 (50°C)
|
No Cracking
|
|
Water absorption
|
ISO 62 (23°C/14 days)
|
<0,15%
|
|
Thermoplastic adhesive for MTA
|
||
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Water absorption
|
ISO 62
|
<0.2%
|
|
Softening point
|
ASTM D E28
|
85°C
|
|
Peel strength (PE)
|
DIN 30672
|
4N/cm
|
|
Copper stability
|
ASTM D 2671
|
Non-corrosive
|
|
Resistance to fungus and decay
|
ISO 846
|
Pass
|
|
Size
|
As Supplied (mm)
|
After Recovery (mm)
|
Standard length
m
|
|
|
Inside Diameter
Min. (D)
|
Inside Diameter
Max. (d)
|
Wall Thickness
Nominal. (t)
|
||
|
8/2
|
8
|
2
|
1.7
|
1.22
|
|
9/3
|
9
|
3
|
1.7
|
1.22
|
|
12/4
|
12
|
4
|
2
|
1.22
|
|
16/5
|
16
|
5
|
2.2
|
1.22
|
|
19/6
|
19
|
6
|
2.5
|
1.22
|
|
22/6
|
22
|
6
|
2.5
|
1.22
|
|
25/8
|
25
|
8
|
2.5
|
1.22
|
|
28/6
|
28
|
6
|
2.5
|
1.22
|
|
33/8
|
33
|
8
|
2.5
|
1.22
|
|
35/12
|
35
|
12
|
2.5
|
1.22
|
|
40/12
|
40
|
12
|
2.5
|
1.22
|
|
45/13
|
45
|
13
|
2.5
|
1.22
|
|
55/16
|
55
|
16
|
2.7
|
1.22
|
|
65/19
|
65
|
19
|
2.8
|
1.22
|
|
75/22
|
75
|
22
|
3
|
1.22
|
|
85/25
|
85
|
25
|
3
|
1.22
|
|
95/25
|
95
|
25
|
3
|
1.22
|
|
115/34
|
115
|
34
|
3
|
1.22
|
|
130/36
|
130
|
36
|
3
|
1.22
|
|
140/42
|
140
|
42
|
3
|
1.22
|
|
160/50
|
160
|
50
|
3
|
1.22
|
|
175/58
|
175
|
58
|
3
|
1.22
|
|
200/65
|
200
|
65
|
3
|
1.22
|
|
230/75
|
230
|
75
|
3
|
1.22
|
|
260/85
|
260
|
85
|
3
|
1.22
|
|
300/85
|
300
|
85
|
3
|
1.22
|
|
350/100
|
350
|
100
|
3
|
1.22
|
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 various 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. Our products have passed UL certification, RoHS, and REACH compliance.
We also offer customization options and can develop products with special requirements based on customer needs. Our production processes adhere to ISO9001 and IATF16949 quality management system standards to ensure 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, our company is based in Shanghai, China and was established in 2017. We have a team of 5-10 dedicated professionals.
We prioritize quality and ensure it through the following measures:
At Shanghai Wellco International Limited, we offer a range of high-quality products:
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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