| Application: | Insulators, Electrical Winding Insulation, Winding Wire Coating Insulation, Electrical Base, Shell, Motor, Insulating Varnish, Switch Baseplate |
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| Type: | Insulation Sleeve & Tube |
| 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 
Made of irradiation cross-linked specially formulated flexible elastomeric compounds, the SDR Diesel Resistant Elastomeric Heat Shrinkable Tube is a reliable solution for protecting cables, wiring harnesses, and connectors in military vehicles. With its excellent resistance to aviation and diesel fuels, hydraulic fluids and lubricating oils, and chemical solvents, it is also well-suited for the demands of motorsport cable harnesses.
Trust Shanghai Wellco International Limited for high-quality products that meet your needs.
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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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ID(Min)
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ID(max.)
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Wall thicknes
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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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0.51±0.08
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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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0.76±0.15
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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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0.84±0.15
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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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0.89±0.15
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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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1.02±0.20
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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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1.22±0.20
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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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1.45±0.28
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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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1.78±0.28
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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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2.41±0.41
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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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2.79±0.41
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With 18 years of experience, we are a professional team specializing in the R&D, 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.
At Shanghai Wellco International Limited, we have a strong technical force backed by 20 years of experience 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, and PTFE. 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 received UL certification, RoHS compliance, and REACH compliance, ensuring their quality and safety standards. In addition to our standard product range, we also specialize in producing customized products and developing solutions to meet specific customer requirements. Our production processes adhere to the ISO9001 and IATF16949 quality management system standards, guaranteeing the stability and reliability of our product quality.
Choose Shanghai Wellco International Limited for all your heat shrink tube and insulation tube needs. Experience the highest level of expertise and quality in the industry. Contact us today!
Shanghai Wellco International Limited is a professional manufacturer based in Shanghai, China. Since 2017, we have been dedicated to producing and selling high-quality heat shrink tubes, heat shrink mould parts, marking sleeves, and cold shrink tubes. Our team consists of 5-10 experienced professionals.
We prioritize quality and ensure that every product meets our high standards. We always provide a pre-production sample for approval before mass production, and conduct a final inspection before shipment to guarantee excellence.
Our product range includes heat shrink tubes, heat shrink mould parts, marking sleeves, and cold shrink tubes. These products are designed with special heat shrink technology and radiation crosslinking insulation materials, ensuring superior insulation and reliability.
With over 20 years of experience in the insulation industry, our founder brings extensive knowledge and expertise to our company. We are committed to delivering top-notch products and providing exceptional customer service.
We offer a wide range of services to meet your needs:
Suppliers with verified business licenses
Audited Supplier 
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