| Application: | Insulators |
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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 
Material: Cross-linked modified polyolefin
Operating temperature: -55ºC~125ºC
Minimum shrink temperature: 70ºC
Minimum fully recovery temperature: 120ºC
Shrink ratio: 2.5:1
Features:
Application: Gas Pipe Heat shrink tube
Company name: Shanghai Wellco International Limited
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Item
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Specification
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Typical Data
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Longitudinal Change(%)
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≤5 %
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≤5 %
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Tensile Strength (MPa)
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≥10.4
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15.2
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Ultimate Elongation (%)
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≥200
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596
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Ageing in circulating-air oven
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158 ºC 168hrs
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After aging
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Tensile Strength(MPa)
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≥7.3
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10.7
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Ultimate Elongation(%)
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≥100
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381
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Volume Resistivity (Ω.cm)
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≥1014
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4.5×10^14
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Dielectric Strength (KV/mm)
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≥15
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18
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Flammability
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VW-1
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VW-1
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Concentricity(%)
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≥65
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75
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Printability
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Good
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Size
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ID before shrinked
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ID After Shrinked
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Wall after shrinked
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23.5/9.5
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≥23.5
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≤9.5
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0.70
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27.5/12.7
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≥27.5
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≤12.7
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0.70
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31.0/12.7
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≥31.0
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≤12.7
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0.70
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40.0/19.0
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≥40.0
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≤19.0
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0.70
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51.0/25.4
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≥51.0
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≤25.4
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0.80
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65.0/32.5
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≥65.0
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≤32.5
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1.00
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77.0/38.0
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≥77.0
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≤38.0
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1.00
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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 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.
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 based in Shanghai, China. Since 2017, we have been specializing in the production and sales of special heat shrink tubes, heat shrink mould parts, marking sleeves, and cold shrink tubes. With over 20 years of experience in insulation, our founder has established a reputation for delivering high-quality products.
We prioritize quality assurance throughout our production process. We always provide a pre-production sample before mass production, ensuring that our products meet your specifications. Additionally, a final inspection is conducted before shipment to guarantee the highest standards.
At Shanghai Wellco International Limited, we offer a wide range of products, including heat shrink tubes, heat shrink mould parts, marking sleeves, and cold shrink tubes. Our products are designed to provide efficient and reliable insulation solutions.
When it comes to purchasing insulation materials, there are several reasons 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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