| Application: | Insulators |
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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 
Introducing our high-quality, specially formulated flexible elastomeric compound, designed to meet the demanding needs of various industries. Made with irradiation cross-linked technology, our product offers exceptional resistance to aviation and diesel fuels, hydraulic fluids, lubricating oils, and chemical solvents.
Our versatile compound is specifically developed to protect cables, wiring harnesses, and connectors in military vehicles, ensuring reliable performance even in the harshest conditions. Additionally, it is well-suited for the rigorous demands of motorsport cable harnesses.
Key Features:
Trust in the quality and reliability of our product, manufactured by Shanghai Wellco International Limited. Enhance the performance and durability of your equipment with our top-of-the-line elastomeric compound.
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Property
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Requirement
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Test method
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Typical data
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Longitudinal shrinkage
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≤10%
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ASTM D 2671
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≤5%
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Tensile strength
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≥11.7MPa
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ASTM D 2671
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≥13 MPa
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Elongation at break
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≥200%
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ASTM D 2671
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≥400%
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Tensile strength after ageing(150ºC,168hrs)
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≥10.3MPa
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ASTM D 2671
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≥12 MPa
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Elongation after ageing (150ºC,168hrs)
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≥200%
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ASTM D 2671
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≥300%
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Heat shock(200ºC,4hrs)
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No crack
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ASTM D 2671
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No crack
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Low-temperature flexibility
(-65ºC,4hrs)
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No crack
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ASTM D 2671
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No crack
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Dielectric voltage withstand
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2500V,60sec, no
breakdown
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ASTM D 2671
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No breakdown
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Dielectric strength
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11.9 KV/mm min.
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ASTM D 2671
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≥16KV/mm
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Volume resistivity
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109Ω·cm min.
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ASTM D 876
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≥1010cm
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Copper corrosion
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No corrosion
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ASTM D 2671
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No corrosion
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Flammability
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Self-extinguishing
within one minute
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ASTM D 2671
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pass
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Fluids resistance (23° C, 24hrs)
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|||
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Tensile strength
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10.3MPa min.
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ASTM D 2671
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≥12 MPa
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Elongation at break
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200% min.
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ASTM D 2671
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≥300%
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Dielectric strength
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7.9 KV/mm min.
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ASTM D 2671
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≥12KV/mm
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Size
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As supplied(mm)
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After recovered (mm)
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Inch
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mm
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diameter(Min)
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diameter(max.)
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3/32
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Φ2.4
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2.4
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1.2
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1/8
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Φ3.2
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3.2
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1.6
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3/16
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Φ4.8
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4.8
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2.4
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1/4
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Φ6.4
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6.4
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3.2
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3/8
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Φ9.5
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9.5
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4.8
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1/2
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Φ12.7
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12.7
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6.4
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3/4
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Φ19.1
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19.1
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9.5
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1
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Φ25.4
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25.4
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12.7
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1 1/2
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Φ38.1
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38.1
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19.1
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2
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Φ50.8
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50.8
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25.4
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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 a 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 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, ensuring their quality and compliance.
We also specialize in producing customized products and developing products with special requirements based on 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 based in Shanghai, China and have been serving customers since 2017. Our office consists of a dedicated team of 5-10 people.
We prioritize quality and ensure it through various measures:
At Shanghai Wellco International Limited, we offer a range of high-quality products including:
When it comes to purchasing heat shrink tubes and insulation materials, here's why you should choose us:
We offer a range of services to meet your needs:
Suppliers with verified business licenses
Audited Supplier 
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