| Customization: | Available |
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| Application: | Insulators, Electrical Winding Insulation, Winding Wire Coating Insulation, Electrical Base, Shell, Motor, Insulating Varnish, Switch Baseplate |
| Color: | Black, Other Colors Can Be Customized |
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The W-DW dual-wall adhesive-lined heat shrinkable tubing is a high-quality product designed for environmental sealing and electrical insulation in the automotive and commercial industries. It is manufactured by Shanghai Wellco International Limited, a trusted name in the industry.
The dual-wall adhesive-lined heat shrinkable tubing is specifically designed for wire splices, terminations, and components in the automotive and commercial industries. The outer polyolefin layer offers strain relief and abrasion protection for wire connectors and components. The inner adhesive, with its wide operating temperature range, bonds to various automotive wires and cables, providing sealing insulation protection.
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Item
|
Test Method
|
Indicator
|
|
Longitudinal length change rate
|
UL224
|
-10%~0
|
|
Tensile Strength
|
ASTM D2671
|
≥10.4MPa
|
|
Breaking Elongation
|
ASTM D2671
|
≥200%
|
|
Aging Test Of Hot Air
|
158.0ºC±1.0ºC/168h
|
-
|
|
Tensile Strength After Aging
|
ASTM D2671
|
≥7.3MPa
|
|
Elongation At Break After Aging
|
ASTM D2671
|
≥100%
|
|
Volume Resistivity
|
ASTM D876
|
≥1.0x1013Ω· cm
|
|
Withstanding Voltage
|
ASTM D2671
|
2500V,60s,Without breakdown
|
|
Water Absorption
|
ASTM D570
|
≤0.5%
|
|
Thermal shock (applicable to outer layer only)
|
-
|
225ºC,4h,No breakage, no dripping
|
|
Low-temperature resistance (applicable to outer layer only)
|
ASTM D2671
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No breakage
|
|
Solvent Resistance (diesel lubricating oil)
|
-
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23ºC,24h,Excellent
|
|
Size
(mm)
|
As supply
(min.)ID (mm)
|
After shrinked
|
Package
(m/pc)
|
||
|
(max.)ID
|
Wall thickness
|
Adhesive thickness
|
|||
|
3:1
|
|||||
|
3.2
|
3.2
|
1.00
|
0.85
|
0.35
|
1.22
|
|
4.7
|
4.7
|
1.50
|
1.05
|
0.45
|
1.22
|
|
6.4
|
6.4
|
2.00
|
1.10
|
0.45
|
1.22
|
|
9.5
|
9.5
|
3.00
|
1.45
|
0.45
|
1.22
|
|
12.7
|
12.7
|
4.00
|
1.50
|
0.45
|
1.22
|
|
19.1
|
19.1
|
6.00
|
2.00
|
0.65
|
1.22
|
|
25.4
|
25.4
|
8.40
|
2.00
|
0.65
|
1.22
|
|
30
|
30
|
10.0
|
2.20
|
0.75
|
1.22
|
|
40
|
40
|
13.3
|
2.50
|
1.00
|
1.22
|
|
4:1
|
|||||
|
4
|
4
|
1.00
|
1.00
|
0.50
|
1.22
|
|
8
|
8
|
2.00
|
1.10
|
0.50
|
1.22
|
|
12
|
12
|
3.00
|
1.40
|
0.61
|
1.22
|
|
16
|
16
|
4.00
|
1.78
|
0.76
|
1.22
|
|
24
|
24
|
6.00
|
2.25
|
0.76
|
1.22
|
|
32
|
32
|
8.00
|
2.54
|
1.02
|
1.22
|
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 a variety of heat shrink tubes and insulation tubes made from materials such as modified PE, PVDF, FEP, EPDM, Silicone, FKM, and PTFE. 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 protection. Our products have obtained UL certification, RoHS compliance, and REACH compliance.
In addition to our standard product range, we also specialize in producing customized products and developing products with special requirements based on customer needs. Our production processes adhere to the ISO9001 and IATF16949 quality management system standards, ensuring the stability and reliability of our product quality.
Shanghai Wellco International Limited is a professional manufacturer based in Shanghai, China. Since 2017, we have been specializing in the production and sales of special heat shrink tubes and other radiation crosslinking insulation materials. With over 20 years of experience in insulation, our founder has established a reputation for delivering high-quality products.
We cater to customers worldwide, with our main markets being 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%), and Central America (00.00%).
To ensure the highest quality, we follow strict procedures:
Our range of products includes:
We offer the following services:
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