| 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 
The irradiation cross-linked special fluoropolymer wire and cable marker is designed for applications that require high-temperature and abrasion resistance. Manufactured by Shanghai Wellco International Limited, this marker offers outstanding chemical and solvent resistance, making it ideal for protecting electronic components from mechanical and chemical abuse.
In addition to its protective properties, this marker allows for easy identification and inspection of electronic components. It can also be used for insulation and strain relief of electrical connections and wire terminations, as well as for wire identification and component packaging.
With a shrink ratio of 2:1, this marker is highly flame-resistant and flexible, making it suitable for various applications. Its good toughness and abrasion resistance, along with excellent physical and chemical properties, ensure long-lasting performance.
The clear variant of this marker offers good clarity and clarity stability. Rest assured, this product is RoHS and REACH compliant, meeting the highest industry standards.
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Property
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Requirement
|
Test method
|
Typical data
|
|
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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≥24.5 MPa
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ASTM D 2671
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≥35 MPa
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Elongation at break
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≥150%
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ASTM D 2671
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≥300%
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Elongation after ageing
(225ºC,168hrs)
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≥100%
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ASTM D 2671
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≥ 200%
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Heat shock(275ºC,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(-55ºC,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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Volume resistivity
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1013Ω·cm min.
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ASTM D 876
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≥1013Ω·cm
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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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VW-1
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UL224
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pass
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Size
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As supplied(mm)
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After recovered (mm)
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|
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Inch
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mm
|
diameter(Min)
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diameter(max.)
|
|
3/32
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Φ2.4
|
2.4
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1.2
|
|
1/8
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Φ3.2
|
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
|
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
|
|
3/4
|
Φ19.1
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19.1
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9.5
|
|
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 strong technical force and advanced production equipment, we offer a variety of heat shrink tubes and insulation tubes made from 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, providing insulation, water-proofing, electrostatic shielding, oil resistance, chemical resistance, and high-temperature protection.
All our products have passed UL certification, RoHS, and REACH standards, ensuring their quality and compliance with industry regulations.
We are also capable of producing customized products or developing 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.
We are a professional R & D, production, and sales company based in Shanghai, China. Since 2017, we have been providing high-quality heat shrink tubes, heat shrink mould parts, marking sleeves, and cold shrink tubes to customers worldwide.
We are Shanghai Wellco International Limited, a team of dedicated professionals with over 20 years of experience in the insulation industry. Our office in Shanghai consists of 5-10 people.
We ensure the highest quality standards by conducting a pre-production sample before mass production and a final inspection before shipment.
Our product range includes heat shrink tubes, heat shrink mould parts, marking sleeves, and cold shrink tubes. These products are designed to provide excellent insulation and protection for various applications.
When you choose to buy from Shanghai Wellco International Limited, you can trust that you are getting products from a reputable manufacturer with extensive experience in the insulation industry. Our commitment to quality and customer satisfaction sets us apart from other suppliers.
We offer flexible delivery terms such as FOB, CFR, CIF, EXW, CIP, FCA, DDP, DDU, and Express Delivery. Accepted payment currencies include USD, EUR, and CNY, and we accept payment types such as T/T, L/C, MoneyGram, PayPal, and Western Union. Our team is fluent in English, Chinese, and Japanese.
Suppliers with verified business licenses
Audited Supplier 
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