| Customization: | Available |
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| Application: | Insulators, Electrical Winding Insulation, Winding Wire Coating Insulation, Electrical Base, Shell, Motor, Insulating Varnish, Switch Baseplate, Electric Wire |
| Color: | All Colors |
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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.
Reference: 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)
|
Thickness(T)
|
Diameter(d)
|
Thickness(t)
|
|
|
2:1
|
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|
Ф0.7
|
1.0+0.2/-0.1
|
0.18±0.05
|
≤0.40
|
0.32±0.08
|
|
Ф0.8
|
1.2+0.2/-0.1
|
0.18±0.05
|
≤0.45
|
0.34±0.08
|
|
Ф1.0
|
1.5+0.2/-0.1
|
0.18±0.05
|
≤0.60
|
0.36±0.08
|
|
Ф1.5
|
2.1+0.2/-0.1
|
0.18±0.05
|
≤0.80
|
0.36±0.08
|
|
Ф2.0
|
2.5+0.2/-0.1
|
0.20±0.05
|
≤1.00
|
0.42±0.08
|
|
Ф2.5
|
3.0+0.2/-0.1
|
0.22±0.05
|
≤1.25
|
0.46±0.08
|
|
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
|
5.5+0.2/-0.1
|
0.25±0.05
|
≤2.50
|
0.50±0.08
|
|
Ф5.5
|
6.0+0.2/-0.1
|
0.25±0.05
|
≤2.75
|
0.50±0.08
|
|
Ф6.0
|
6.5+0.2/-0.1
|
0.25±0.05
|
≤3.00
|
0.55±0.10
|
|
Ф6.5
|
6.9+0.2/-0.1
|
0.25±0.05
|
≤3.25
|
0.55±0.10
|
|
Ф7.0
|
7.5+0.2/-0.1
|
0.25±0.05
|
≤3.50
|
0.55±0.10
|
|
Ф8.0
|
8.5+0.3/-0.1
|
0.28±0.06
|
≤4.00
|
0.58±0.10
|
|
Ф9.0
|
9.5+0.2/-0.1
|
0.28±0.06
|
≤4.50
|
0.58±0.10
|
|
Ф10
|
10.5+0.3/-0.1
|
0.28±0.06
|
≤5.00
|
0.58±0.10
|
|
Ф11
|
11.5+0.3/-0.1
|
0.28±0.06
|
≤5.50
|
0.58±0.10
|
|
Ф12
|
12.5+0.3/-0.1
|
0.28±0.06
|
≤6.00
|
0.58±0.10
|
|
Ф13
|
13.5+0.3/-0.1
|
0.28±0.06
|
≤6.50
|
0.58±0.10
|
|
Ф14
|
14.5+0.3/-0.1
|
0.28±0.06
|
≤7.00
|
0.58±0.10
|
|
Ф15
|
15.5+0.3/-0.1
|
0.28±0.06
|
≤7.50
|
0.58±0.10
|
|
Ф16
|
16.5+0.3/-0.1
|
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
|
18.5+0.3/-0.1
|
0.32±0.08
|
≤9.00
|
0.68±0.10
|
|
Ф20
|
20.6+0.5/-0.2
|
0.32±0.08
|
≤10.0
|
0.68±0.10
|
|
Ф22
|
22.6+0.7/-0.2
|
0.35±0.08
|
≤11.0
|
0.72±0.12
|
|
Ф25
|
25.6+0.7/-0.2
|
0.40±0.10
|
≤12.5
|
0.78±0.12
|
|
Ф28
|
28.6+0.7/-0.2
|
0.40±0.10
|
≤14.0
|
0.78±0.12
|
|
Ф30
|
30.6+0.7/-0.2
|
0.40±0.10
|
≤15.0
|
0.82±0.12
|
|
Ф35
|
35.6+0.7/-0.2
|
0.45±0.10
|
≤17.5
|
0.92±0.12
|
|
Ф40
|
41.0±0.5
|
0.50±0.12
|
≤20.0
|
1.00±0.15
|
|
Ф45
|
46.0±0.5
|
0.50±0.12
|
≤22.5
|
1.00±0.15
|
|
Ф50
|
51.0±1.0
|
0.55±0.15
|
≤25.0
|
1.10±0.15
|
|
Ф55
|
55.5±1.0
|
0.55±0.15
|
≤27.5
|
1.10±0.15
|
|
Ф60
|
60.5±1.0
|
0.60±0.15
|
≤30.0
|
1.25±0.20
|
|
Ф70
|
71.0±1.0
|
0.60±0.15
|
≤35.0
|
1.25±0.20
|
|
Ф80
|
81.0±1.0
|
0.60±0.15
|
≤40.0
|
1.25±0.20
|
|
Ф90
|
91.0±1.0
|
0.60±0.15
|
≤45.0
|
1.25±0.20
|
|
Ф100
|
101.0±1.0
|
0.60±0.15
|
≤50.0
|
1.25±0.20
|
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Note: Other sizes and colors can be available upon request
|
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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 are dedicated to 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 specialize in supplying 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 various fields including electronic communication, automobile, high-speed rail, electric motor, aviation, medical, and others. They offer excellent insulation, water-proofing, electrostatic shielding, oil resistance, chemical resistance, and high-temperature resistance. Our products have also obtained UL certification, RoHS compliance, and REACH compliance.
We are capable of producing customized products or developing products with special requirements based on customer 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 manufacturer based in Shanghai, China. Since 2017, we have been dedicated to providing high-quality heat shrink tubes, heat shrink mould parts, marking sleeves, and cold shrink tubes. With over 20 years of experience in insulation materials, our founder leads a team of 5-10 professionals.
We prioritize quality and ensure it through our rigorous processes:
At Shanghai Wellco International Limited, you can find a wide range of heat shrink tubes, heat shrink mould parts, marking sleeves, and cold shrink tubes. Our products are designed to meet your specific needs and offer excellent insulation.
When it comes to purchasing insulation materials, here's why you should choose us:
We offer the following services:
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