| 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 us.
| 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
|
0.25±0.05
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≤2.75
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0.50±0.08
|
|
6.0
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6.5+0.2/-0.1
|
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
|
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
|
|
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
|
|
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
|
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
|
15.5+0.3/-0.1
|
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
|
0.58±0.10
|
|
17
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17.5+0.3/-0.1
|
0.28±0.06
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≤8.50
|
0.58±0.10
|
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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
|
|
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
|
|
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
|
|
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, PTFE, and more. Our products find extensive applications in electronic communication, automobile, high-speed rail, electric motor, aviation, medical, and other industries, providing insulation, water-proofing, electrostatic shielding, oil resistance, chemical resistance, and high-temperature protection.
All our products have passed UL certification, RoHS, and REACH compliance, ensuring their quality and safety.
We also offer customization and development of products with special requirements according to customer needs. Our production processes adhere to ISO9001 and IATF16949 quality management system standards, guaranteeing 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 specializing in the production and sales of special heat shrink tubes, heat shrink mould parts, marking sleeves, and cold shrink tubes. With over 20 years of experience in insulation, our founder has established a reputation for delivering high-quality products.
We prioritize quality assurance throughout our production process. Before mass production, we always provide a pre-production sample for approval. Additionally, a final inspection is conducted before shipment to ensure that our products meet the highest standards.
At Shanghai Wellco International Limited, you can find a wide range of products, including heat shrink tubes, heat shrink mould parts, marking sleeves, and cold shrink tubes. Our products are designed to provide effective insulation and are suitable for various applications.
When it comes to purchasing insulation materials, there are several reasons why you should choose us over other suppliers. Firstly, we are dedicated to research and development, ensuring that our products are of the highest quality. Secondly, our team has extensive experience in the industry, with over 20 years of expertise in insulation. Lastly, we offer a comprehensive range of services to meet your specific needs.
At Shanghai Wellco International Limited, we strive to provide excellent customer service. We accept various delivery terms, including FOB, CFR, CIF, EXW, CIP, FCA, DDP, DDU, and express delivery. Our accepted payment currencies are USD, EUR, and CNY, and we offer payment options such as T/T, L/C, MoneyGram, PayPal, and Western Union. We are fluent in English, Chinese, and Japanese, ensuring effective communication with our customers.
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