| 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 
Company name: Shanghai Wellco International Limited
Materials: Polyvinylidene fluoride
Operating temperature range: -55ºC~150ºC
Shrink temperature: above 155ºC
Shrink ratio: 2:1
Features: Transparent, high-temperature resistance, flame retarding, flexibility, wearability, corrosion resistance
Applications: Used in instrumental wiring of vehicles, aviation, watercraft, and electronic equipment; good transparency for usage to identify packaged and non-packaged electronic devices
Color: Clear, Black, Red, Blue, Yellow, etc
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Items
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Performance Indicators
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Typical Value
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Tensile strength
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ASTM D2671
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>=24.5MPa
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Elongation at break after aging
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225ºC x 168 hrs
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>=100%
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Thermal shock
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275ºC x 4 hrs no cracks
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pass
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Low temperature impact
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-55ºC x 4 hrs no cracks
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pass
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Insulation Breakdown voltage
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ASTM D2671
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>=15Kv/mm
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Volume resistivity
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ASTM D257
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flame retarding
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VW-1
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pass
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Size
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As supplied
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After shrinked
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Packaged Length
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mm
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ID(mm)
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Wall Thickness/Tmm
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ID/dmm
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Wall Thickness /tmm
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M
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1.20
1.60
2.40
3.20
4.80
6.40
9.50
12.7
19.1
25.4
38.1
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>=1.20
>=1.60
>=2.40
>=3.20
>=4.80
>=6.40
>=9.50
>=12.70
>=19.10
>=25.40
>=38.1
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0.13 ± 0.05
0.13 ± 0.05
0.13 ± 0.05
0.13 ± 0.05
0.13 ± 0.05
0.18 ± 0.05
0.18 ± 0.05
0.18 ± 0.05
0.25 ± 0.08
0.25 ± 0.08
0.25 ± 0.08
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<=0.60
<=0.80
<=1.20
<=1.60
<=2.40
<=3.20
<=4.80
<=6.40
<=9.50
<=12.70
<=19.1
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0.25 ± 0.05
0.25 ± 0.05
0.25 ± 0.05
0.25 ± 0.05
0.25 ± 0.05
0.33 ± 0.05
0.33 ± 0.05
0.33 ± 0.05
0.43 ± 0.08
0.48 ± 0.08
0.48 ± 0.08
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200
200
200
200
100
100
100
100
50
50
50
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With 18 years of experience in R&D, production, and sales of special heat shrink tubes and other radiation crosslinking materials, we are a professional team dedicated to providing top-quality products and solutions for various applications.
Our focus lies in offering insulation, connection, waterproofing, high temperature resistance, chemical resistance, EMI protection, and mechanical protection for wires and cables.
At Shanghai Wellco International Limited, we boast a strong technical force with 20 years of experience and advanced production equipment. Our extensive range of heat shrink tubes and insulation tubes includes modified PE, PVDF, FEP, EPDM, Silicone, FKM, FEP, PTFE, and more. These materials find wide applications in electronic communication, automobile, high-speed rail, electric motor, aviation, medical, and other industries.
Our products provide exceptional insulation, water-proofing, electrostatic shielding, oil resistance, chemical resistance, and high-temperature resistance, ensuring reliable protection for your requirements. They have undergone rigorous testing and have obtained UL certification, RoHS compliance, and REACH compliance.
Furthermore, we offer customization options and can develop products with special requirements according to your needs. Our production adheres 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 our commitment to excellence and unparalleled product performance.
Shanghai Wellco International Limited is a leading manufacturer of special heat shrink tube and other radiation crosslinking insulation materials. With over 20 years of experience in insulation, our company is based in Shanghai, China and was established in 2017. We have a team of 5-10 dedicated professionals.
We prioritize quality assurance in our production process. We always provide a pre-production sample before mass production begins, and conduct a final inspection before shipment to ensure the highest standards are met.
Choose from our wide range of products:
There are several reasons why you should buy from us:
We offer the following services:
Suppliers with verified business licenses
Audited Supplier 
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