| Customization: | Available |
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| Certification: | RoHS, ISO |
| Color: | Yellow & Green |
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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.
For more information, please contact 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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Dimension before shrinkage(mm)
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Dimension After shrinked(mm)
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Diameter(D)
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Wall Thickness(T)
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Diameter(d)
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Wall Thickness(t)
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2.0
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2.5+0.2/-0.1
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0.20±0.05
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≤1.00
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0.42±0.08
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2.5
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3.0+0.2/-0.1
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0.22±0.05
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≤1.25
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0.46±0.08
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3.0
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3.5+0.2/-0.1
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0.22±0.05
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≤1.50
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0.46±0.08
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3.5
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4.0+0.2/-0.1
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0.22±0.05
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≤1.75
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0.46±0.08
|
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4.0
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4.6+0.2/-0.1
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0.22±0.05
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≤2.00
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0.46±0.08
|
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4.5
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5.0+0.2/-0.1
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0.23±0.05
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≤2.25
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0.46±0.08
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5.0
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5.5+0.2/-0.1
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0.25±0.05
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≤2.50
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0.50±0.08
|
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5.5
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6.0+0.2/-0.1
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0.25±0.05
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≤2.75
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0.50±0.08
|
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6.0
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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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6.5
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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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7.0
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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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8.0
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8.5+0.3/-0.1
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0.28±0.06
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≤4.00
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0.58±0.10
|
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9.0
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9.5+0.2/-0.1
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0.28±0.06
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≤4.50
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0.58±0.10
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10
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10.5+0.3/-0.1
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0.28±0.06
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≤5.00
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0.58±0.10
|
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11
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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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12
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12.5+0.3/-0.1
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0.28±0.06
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≤6.00
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0.58±0.10
|
|
13
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13.5+0.3/-0.1
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0.28±0.06
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≤6.50
|
0.58±0.10
|
|
14
|
14.5+0.3/-0.1
|
0.28±0.06
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≤7.00
|
0.58±0.10
|
|
15
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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
|
|
16
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16.5+0.3/-0.1
|
0.28±0.06
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≤8.00
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0.58±0.10
|
|
17
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17.5+0.3/-0.1
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0.28±0.06
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≤8.50
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0.58±0.10
|
|
18
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18.5+0.3/-0.1
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0.32±0.08
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≤9.00
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0.68±0.10
|
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20
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20.6+0.5/-0.2
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0.32±0.08
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≤10.0
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0.68±0.10
|
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22
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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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25
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25.6+0.7/-0.2
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0.40±0.10
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≤12.5
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0.78±0.12
|
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28
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28.6+0.7/-0.2
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0.40±0.10
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≤14.0
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0.78±0.12
|
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30
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30.6+0.7/-0.2
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0.40±0.10
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≤15.0
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0.82±0.12
|
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35
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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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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 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, FEP, 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 or developing products with special requirements based on customer needs. Our production adheres to the ISO9001 and IATF16949 quality management system standards, ensuring the stability and reliability of product quality.
Shanghai Wellco International Limited is a professional manufacturer based in Shanghai, China. Since 2017, we have been specializing in the production and sales of special heat shrink tubes and other radiation crosslinking insulation materials. With over 20 years of experience in insulation, our founder has established a reputation for delivering high-quality products.
We prioritize quality and ensure that every product meets our standards. Before mass production, we always provide a pre-production sample for approval. Additionally, a final inspection is conducted before shipment to guarantee the quality of our products.
At Shanghai Wellco International Limited, we offer a range of products including heat shrink tubes, heat shrink mould parts, marking sleeves, and cold shrink tubes. Our products are designed to provide efficient insulation and meet various industry requirements.
When it comes to purchasing insulation materials, there are several reasons why you should choose us over other suppliers. We are dedicated to delivering exceptional products and services. Our team consists of experienced professionals who are committed to meeting your needs. With our extensive market reach, we serve customers in 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%).
We offer flexible delivery terms including FOB, CFR, CIF, EXW, CIP, FCA, DDP, DDU, and Express Delivery. Accepted payment currencies are USD, EUR, and CNY, and we accept various payment types such as T/T, L/C, MoneyGram, PayPal, and Western Union. Our team is fluent in English, Chinese, and Japanese, ensuring effective communication throughout the process.
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