| Application: | Insulators, Electrical Winding Insulation, Winding Wire Coating Insulation, Electrical Base, Shell, Motor, Insulating Varnish, Switch Baseplate |
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| Type: | Insulation Sleeve |
| Chemistry: | Organic Insulation |
| 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 is proud to present the W-DW Dual-Wall Adhesive-Lined Heat Shrinkable Tubing. This high-quality tubing is designed to meet the needs of the automotive and commercial industries, providing excellent environmental sealing and electrical insulation for wire splices, terminations, and components.
The W-DW Dual-Wall Adhesive-Lined Heat Shrinkable Tubing is perfect for providing strain relief, abrasion protection, and sealing insulation for wire connectors and components. The outer polyolefin layer ensures durability and protection, while the inner adhesive bonds to various automotive wires and cables, offering reliable sealing insulation.
Choose the W-DW Dual-Wall Adhesive-Lined Heat Shrinkable Tubing from Shanghai Wellco International Limited for superior quality and performance.
|
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
|
No breakage
|
|
Solvent Resistance (diesel lubricating oil)
|
-
|
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
|
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 specialize in 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 strong technical force 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. Our 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 passed UL certification, RoHS, and REACH standards.
We also specialize in producing customized products or developing products with special requirements based on customer needs. Our production processes adhere to ISO9001 and IATF16949 quality management system standards, ensuring 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:
We offer a range of high-quality products, including:
When it comes to purchasing insulation materials, here's why you should choose Shanghai Wellco International Limited:
We offer the following services:
Suppliers with verified business licenses
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