| Application: | Insulators, Electrical Winding Insulation, Winding Wire Coating Insulation, Electrical Base, Shell, Motor, Insulating Varnish, Switch Baseplate, Electric Wire |
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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 
Material: Cross-linked modified polyolefin
Operating temperature: -55ºC~125ºC
Minimum shrink temperature: 70ºC
Minimum fully recovery temperature: 120ºC
Shrink ratio: 2:1
Features:
Application: Widely used in electronics, subways, buildings, public facilities, and more.
Company name: Shanghai Wellco International Limited
| Test Items | Test Methods | Performance |
| Temperature Rating | UL224 | 125ºC |
| Length Rate Of Change | ASTM D2671 | -5ºC~+5ºC |
| Tensile Strength | ASTM D638 | ≥10.4MPa |
| Breaking Elongation | ASTM D638 | ≥200% |
| Hot Air Aging Test | 158.0ºC/168h | - |
| Thermal Aging Tensile Strength | ASTM D638 | ≥7.3MPa |
| Heat Aging Breaking Elongation | ASTM D638 | ≥100% |
| Voltage Level | UL224 | 300V/600V |
| Volume Resistivity | ASTM D2671 | ≥1.0x1012cm |
| Breakdown Voltage | UL224 | 2500V(60s) No Breakdown |
| Thermal Stock | UL224/250ºC±3ºC/4h | Does not drip, Does not flow, Does not crack |
| With heart | ASTM D2671 | ≥70% |
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Size
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As supplied (mm)
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after full Recovery(mm)
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Diameter(D)
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Thickness(T)
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Diameter(d)
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Thickness(t)
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2:1
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Ф0.7
|
1.0+0.2/-0.1
|
0.18±0.05
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≤0.40
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0.32±0.08
|
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Ф0.8
|
1.2+0.2/-0.1
|
0.18±0.05
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≤0.45
|
0.34±0.08
|
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Ф1.0
|
1.5+0.2/-0.1
|
0.18±0.05
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≤0.60
|
0.36±0.08
|
|
Ф1.5
|
2.1+0.2/-0.1
|
0.18±0.05
|
≤0.80
|
0.36±0.08
|
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Ф2.0
|
2.5+0.2/-0.1
|
0.20±0.05
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≤1.00
|
0.42±0.08
|
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Ф2.5
|
3.0+0.2/-0.1
|
0.22±0.05
|
≤1.25
|
0.46±0.08
|
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Ф3.0
|
3.5+0.2/-0.1
|
0.22±0.05
|
≤1.50
|
0.46±0.08
|
|
Ф3.5
|
4.0+0.2/-0.1
|
0.22±0.05
|
≤1.75
|
0.46±0.08
|
|
Ф4.0
|
4.6+0.2/-0.1
|
0.22±0.05
|
≤2.00
|
0.46±0.08
|
|
Ф4.5
|
5.0+0.2/-0.1
|
0.23±0.05
|
≤2.25
|
0.46±0.08
|
|
Ф5.0
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5.5+0.2/-0.1
|
0.25±0.05
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≤2.50
|
0.50±0.08
|
|
Ф5.5
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6.0+0.2/-0.1
|
0.25±0.05
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≤2.75
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0.50±0.08
|
|
Ф6.0
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6.5+0.2/-0.1
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0.25±0.05
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≤3.00
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0.55±0.10
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Ф6.5
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6.9+0.2/-0.1
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0.25±0.05
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≤3.25
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0.55±0.10
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Ф7.0
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7.5+0.2/-0.1
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0.25±0.05
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≤3.50
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0.55±0.10
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Ф8.0
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8.5+0.3/-0.1
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0.28±0.06
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≤4.00
|
0.58±0.10
|
|
Ф9.0
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9.5+0.2/-0.1
|
0.28±0.06
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≤4.50
|
0.58±0.10
|
|
Ф10
|
10.5+0.3/-0.1
|
0.28±0.06
|
≤5.00
|
0.58±0.10
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Ф11
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11.5+0.3/-0.1
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0.28±0.06
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≤5.50
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0.58±0.10
|
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Ф12
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12.5+0.3/-0.1
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0.28±0.06
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≤6.00
|
0.58±0.10
|
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Ф13
|
13.5+0.3/-0.1
|
0.28±0.06
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≤6.50
|
0.58±0.10
|
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Ф14
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14.5+0.3/-0.1
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0.28±0.06
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≤7.00
|
0.58±0.10
|
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Ф15
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15.5+0.3/-0.1
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0.28±0.06
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≤7.50
|
0.58±0.10
|
|
Ф16
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16.5+0.3/-0.1
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0.28±0.06
|
≤8.00
|
0.58±0.10
|
|
Ф17
|
17.5+0.3/-0.1
|
0.28±0.06
|
≤8.50
|
0.58±0.10
|
|
Ф18
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18.5+0.3/-0.1
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0.32±0.08
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≤9.00
|
0.68±0.10
|
|
Ф20
|
20.6+0.5/-0.2
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0.32±0.08
|
≤10.0
|
0.68±0.10
|
|
Ф22
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22.6+0.7/-0.2
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0.35±0.08
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≤11.0
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0.72±0.12
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Ф25
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25.6+0.7/-0.2
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0.40±0.10
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≤12.5
|
0.78±0.12
|
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Ф28
|
28.6+0.7/-0.2
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0.40±0.10
|
≤14.0
|
0.78±0.12
|
|
Ф30
|
30.6+0.7/-0.2
|
0.40±0.10
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≤15.0
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0.82±0.12
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Ф35
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35.6+0.7/-0.2
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0.45±0.10
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≤17.5
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0.92±0.12
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Ф40
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41.0±0.5
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0.50±0.12
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≤20.0
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1.00±0.15
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Ф45
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46.0±0.5
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0.50±0.12
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≤22.5
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1.00±0.15
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Ф50
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51.0±1.0
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0.55±0.15
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≤25.0
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1.10±0.15
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Ф55
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55.5±1.0
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0.55±0.15
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≤27.5
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1.10±0.15
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Ф60
|
60.5±1.0
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0.60±0.15
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≤30.0
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1.25±0.20
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Ф70
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71.0±1.0
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0.60±0.15
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≤35.0
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1.25±0.20
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Ф80
|
81.0±1.0
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0.60±0.15
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≤40.0
|
1.25±0.20
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Ф90
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91.0±1.0
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0.60±0.15
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≤45.0
|
1.25±0.20
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Ф100
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101.0±1.0
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0.60±0.15
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≤50.0
|
1.25±0.20
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Note: Other sizes and colors can be available upon request
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With 18 years of experience, Shanghai Wellco International Limited is a professional team specializing in the research and development, 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 applications, chemical resistance, EMI protection, and mechanical protection for wires and cables.
Our company boasts a strong technical force with 20 years of experience 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, and PTFE. These products find extensive use 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 obtained UL certification, RoHS compliance, and REACH compliance.
In addition to our standard product range, we also offer customization and development of products with special requirements to meet our customers' needs. Our production processes adhere to the ISO9001 and IATF16949 quality management system standards, ensuring the stability and reliability of our product quality.
Shanghai Wellco International Limited is a professional R&D, production, and sales company based in Shanghai, China. We have been in the industry since 2017 and have a team 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 buy from us:
We offer the following services:
Suppliers with verified business licenses
Audited Supplier 
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