Audited Supplier
Product Description
Material: Cross-linked modified polyolefin
Operating temperature: -55ºC~125ºC
Minimum shrink temperature: 70ºC
Minimum fully recovery temperature: 120ºC
Shrink ratio: 2:1
Features:
- Halogen-free environment, low smoke
- Complies with "RoHS" and "REACH" regulations
- Soft and flexible
- UL224 VW-1 flammability
- Excellent insulation, heat resistance, and voltage performance
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% |
Size | As supplied (mm) | after full Recovery(mm) | ||
Diameter(D) | Thickness(T) | Diameter(d) | Thickness(t) | |
2:1 | ||||
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 |
Note: Other sizes and colors can be available upon request | ||||
Shanghai Wellco International Limited
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 resistance, 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 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 obtained UL certification, RoHS compliance, and REACH compliance.
In addition to our standard product range, we also specialize in producing customized products and 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.
About Us
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 dedicated to providing high-quality products to our customers.
Our Expertise
We are based in Shanghai, China and have been operating 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.
Quality Guarantee
We prioritize quality and ensure it through various measures:
- Always providing a pre-production sample before mass production
- Conducting a final inspection before shipment
Our Products
At Shanghai Wellco International Limited, we offer a range of high-quality products, including:
- Heat Shrink Tube
- Heat Shrink Mould Part
- Marking Sleeve
- Cold Shrink Tube
Why Choose Us?
When it comes to purchasing insulation materials, there are several reasons to choose us:
- Our extensive experience in the industry, with over 20 years of expertise
- Our commitment to producing and delivering top-notch products
Our Services
We offer a range of services to meet our customers' needs:
- Accepted Delivery Terms: FOB, CFR, CIF, EXW, CIP, FCA, DDP, DDU, Express Delivery
- Accepted Payment Currency: USD, EUR, CNY
- Accepted Payment Type: T/T, L/C, MoneyGram, PayPal, Western Union
- Language Spoken: English, Chinese, Japanese
