| Application: | Insulators |
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| Type: | Insulation Sleeve |
| Material: | PTFE |
| 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 
Shanghai Wellco International Limited presents its high-quality silicon rubber, designed to meet the diverse needs of various industries. With a wide operating temperature range of -60ºC to 200ºC, this silicon rubber is perfect for applications requiring heat-resistance.
Our silicon rubber is extensively used in electric machinery, electronic machinery, communication machinery, printer machinery, and food or medication appliances. It provides odor-resistance, frost-resistance, and heat-resistance for wire insulation in these industries.
Choose Shanghai Wellco International Limited's silicon rubber for its exceptional performance and reliability. Experience the benefits of higher insulation, high tensile strength, heat resistance, humidity-resistance, durability, and flexibility in your applications.
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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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above 19MPa
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>=19MPa
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Tensile strength after aging
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300ºC x 168 hrs
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>=7.28MPa
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Elongation at break
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above 200%
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>=200%
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Elongation at break after aging
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300ºC x 168 hrs
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>=70%
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Corrosion resistance
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ASTM-D2671
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Not corrodible
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Insulation Breakdown voltage
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26Kv/mm
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>=26/Kv
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Volume resistivity
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1.0x1014 Ω·cm
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>1.0x1014 Ω·cm
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Testing standard: UL224
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Model number
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Inner Diameter
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Outer Diameter
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Outer Diameter
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Outer Diameter
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Packaged Length
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AWG
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dmm
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D mm
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D mm
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D mm
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M
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30
28
26
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
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0.30±0.10
0.80±0.10
0.46±0.10
0.56±0.10
0.66±0.10
0.71±0.10
0.81±0.10
0.86±0.10
0.96±0.20
1.07±0.20
1.19±0.20
1.34±0.20
1.50±0.20
1.68±0.20
1.93±0.20
2.16±0.25
2.41±0.25
2.69±0.25
3.00±0.25
3.38±0.25
3.76±0.25
4.22±0.25
4.72±0.25
5.28±0.30
5.94±0.30
6.68±0.30
7.46±0.30
8.38±0.30
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0.80±0.10
0.88±0.10
0.96±0.10
1.16±0.10
1.26±0.10
1.31±0.10
1.41±0.10
1.66±0.10
1.76±0.20
1.87±0.20
1.99±0.20
2.14±0.20
2.30±0.20
2.48±0.20
2.73±0.20
2.96±0.25
3.21±0.25
3.49±0.25
4.00±0.25
4.38±0.25
4.76±0.25
5.22±0.25
5.72±0.25
6.28±0.30
6.94±0.30
7.68±0.30
8.46±0.30
9.38±0.30
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0.70±0.10
0.78±0.10
0.86±0.10
1.06±0.10
1.16±0.10
1.21±0.10
1.31±0.10
1.46±0.10
1.56±0.20
1.67±0.20
1.79±0.20
1.94±0.20
2.10±0.20
2.28±0.20
2.53±0.20
2.76±0.25
3.01±0.25
3.29±0.25
3.80±0.25
4.18±0.25
4.56±0.25
5.02±0.25
5.52±0.25
6.08±0.30
6.74±0.30
7.48±0.30
8.26±0.30
9.18±0.30
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0.64±0.10
0.73±0.10
0.80±0.10
0.90±0.10
1.00±0.10
1.05±0.10
1.15±0.10
1.20±0.10
1.30±0.20
1.41±0.20
1.53±0.20
1.68±0.20
1.84±0.20
2.08±0.20
2.33±0.20
2.56±0.25
2.81±0.25
3.09±0.25
3.40±0.25
3.78±0.25
4.16±0.25
4.80±0.25
5.32±0.25
5.88±0.25
6.54±0.25
7.28±0.25
8.06±0.25
8.98±0.25
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305
305
305
305
305
305
305
305
200
200
200
153
153
100
100
100
100
100
100
100
50
100
50
50
50
50
50
50
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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, and PTFE. 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 standards.
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, ensuring the stability and reliability of 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 products are sold worldwide, with a focus on North America (20.00%), South Asia (20.00%), Southeast Asia (15.00%), Western Europe (15.00%), South America (5.00%), Eastern Europe (5.00%), Mid East (5.00%), Northern Europe (5.00%), Eastern Asia (3.00%), Domestic Market (3.00%), Southern Europe (2.00%), Africa (00.00%), and Central America (00.00%). Our team consists of 5-10 dedicated professionals.
We prioritize quality and ensure it through various measures:
At Shanghai Wellco International Limited, we offer a range of high-quality products:
There are several reasons why you should choose us over other suppliers:
We offer a range of services to meet your needs:
Suppliers with verified business licenses
Audited Supplier 
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