| 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 The W-DW dual-wall adhesive-lined heat shrinkable tubing is a high-quality solution for environmental sealing and electrical insulation in the automotive and commercial industries. Made from a combination of cross-linked modified polyolefin and flame-retarded modified hot melt adhesive, this tubing offers excellent mechanical, electric, and chemical performance.
This dual-wall adhesive-lined heat shrinkable tubing is specifically designed for use in the automotive industry and commercial industry. It is ideal for sealing and insulating wire splices, terminations, and components. The outer polyolefin layer provides strain relief and abrasion protection, while the inner adhesive layer bonds to various automotive wires and cables, ensuring sealing insulation protection.
This product is manufactured by Shanghai Wellco International Limited, a reputable company known for producing high-quality products in the field of heat shrinkable tubing and other related solutions.
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Item
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Test Method
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Indicator
|
|
Longitudinal length change rate
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UL224
|
-10%~0
|
|
Tensile Strength
|
ASTM D2671
|
≥10.4MPa
|
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Breaking Elongation
|
ASTM D2671
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≥200%
|
|
Aging Test Of Hot Air
|
158.0ºC±1.0ºC/168h
|
-
|
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Tensile Strength After Aging
|
ASTM D2671
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≥7.3MPa
|
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Elongation At Break After Aging
|
ASTM D2671
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≥100%
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Volume Resistivity
|
ASTM D876
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≥1.0x1013Ω· cm
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Withstanding Voltage
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ASTM D2671
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2500V,60s,Without breakdown
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Water Absorption
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ASTM D570
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≤0.5%
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Thermal shock (applicable to outer layer only)
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-
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225ºC,4h,No breakage, no dripping
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Low-temperature resistance (applicable to outer layer only)
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ASTM D2671
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No breakage
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Solvent Resistance (diesel lubricating oil)
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-
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23ºC,24h,Excellent
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Size
(mm)
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As supply
(min.)ID (mm)
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After shrinked
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Package
(m/pc)
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||
|
(max.)ID
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Wall thickness
|
Adhesive thickness
|
|||
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3:1
|
|||||
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3.2
|
3.2
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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
|
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25.4
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25.4
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8.40
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2.00
|
0.65
|
1.22
|
|
30
|
30
|
10.0
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2.20
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0.75
|
1.22
|
|
40
|
40
|
13.3
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2.50
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1.00
|
1.22
|
|
4:1
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|||||
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4
|
4
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1.00
|
1.00
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0.50
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1.22
|
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8
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8
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2.00
|
1.10
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0.50
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1.22
|
|
12
|
12
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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 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 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, and PTFE. Our products find extensive applications in electronic communication, automobile, high-speed rail, electric motor, aviation, medical, and other industries. They offer excellent insulation, water-proofing, electrostatic shielding, oil resistance, chemical resistance, and high-temperature resistance. Moreover, our products have passed UL certification, RoHS, and REACH standards, ensuring their quality and safety.
We also offer customization options and can develop products with special requirements according to customer needs. Our production processes adhere to ISO9001 and IATF16949 quality management system standards, guaranteeing 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 dedicated to providing high-quality products to our customers.
Our product range includes heat shrink tubes, heat shrink mould parts, marking sleeves, and cold shrink tubes. We offer a wide variety of options to meet your specific needs.
We guarantee the quality of our products through a rigorous process. Before mass production, we always provide a pre-production sample for approval. Additionally, a final inspection is conducted before shipment to ensure that only the best products reach our customers.
We serve customers worldwide, with a focus on North America (20.00%), South Asia (20.00%), Southeast Asia (15.00%), Western Europe (15.00%), South America (5.00%), Eastern Europe (5.00%), the Middle East (5.00%), Northern Europe (5.00%), Eastern Asia (3.00%), the Domestic Market (3.00%), Southern Europe (2.00%), Africa (00.00%), and Central America (00.00%).
We offer flexible delivery terms, including FOB, CFR, CIF, EXW, CIP, FCA, DDP, DDU, and Express Delivery. Accepted payment currencies are USD, EUR, and CNY, and we accept various payment types such as T/T, L/C, MoneyGram, PayPal, and Western Union. Our team is fluent in English, Chinese, and Japanese, ensuring smooth communication throughout the process.
Suppliers with verified business licenses
Audited Supplier 
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