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| Customization: | Available |
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| Style: | Japanese, Chinese, Western |
| Customized: | Customized |
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| Material | Food grade silicone rubber | ||
| hardness(Shore C) | 30±5° | Strength of tear(KN/m) | >=30 |
| density(g/cm3) | 1.2±0.1 | 200%Constant extension changes forever(%) | ≤9.4 |
| Elongation at break(%) | >=850 | Tensile strength(MPa) | >=10 |
| Temperature resistance range(ºC) | -60-300 | Rate of expansion | ≤650 |
| Environmental protection rating | ROHS | Flame retardancy(UL-94) | V1 |


Shanghai Wellco International Limited proudly presents a seasoned team boasting 18 years of expertise in the R&D, production, and sales of specialized heat shrink tubes and diverse radiation crosslinking materials. Our commitment is to deliver a comprehensive suite of products and solutions, covering insulation, connection, waterproofing, high-temperature endurance, chemical resistance, EMI shielding, and mechanical protection specifically designed for wires and cables.
Backed by robust technical prowess and state-of-the-art production facilities, we excel in the manufacture of heat shrink tubes and insulation tubes, crafted from materials such as modified PE, PVDF, FEP, EPDM, Silicone, FKM, FEP, and PTFE. Our products serve a wide array of sectors including electronic communication, automotive, high-speed rail, electric motors, aviation, and medical industries, providing exceptional insulation, waterproofing, electrostatic shielding, oil resistance, chemical resistance, and high-temperature resilience.
Our products are distinguished with UL certification, RoHS compliance, and REACH compliance, underscoring their superior quality and safety. Furthermore, we offer customization capabilities to produce tailored products or develop items based on unique customer specifications. Adhering strictly to ISO9001 and IATF16949 quality management standards, we ensure the stability and reliability of our product quality, fortifying our reputation in the industry.
Shanghai Wellco International Limited is a professional R & D, production, and sales company based in Shanghai, China. Established in 2017, we specialize in the manufacturing of special heat shrink tubes, heat shrink mould parts, marking sleeves, and cold shrink tubes. With over 20 years of experience in the insulation industry, our founder has extensive knowledge and expertise in providing high-quality insulation materials.
We prioritize the quality of our products. To ensure the highest standards, we always provide a pre-production sample before mass production and conduct a final inspection before shipment. This commitment to quality assurance sets us apart from other suppliers.
Our product range includes heat shrink tubes, heat shrink mould parts, marking sleeves, and cold shrink tubes. These products are designed to provide efficient and reliable insulation solutions for various applications.
There are several reasons why you should choose Shanghai Wellco International Limited as your supplier. Firstly, we have a proven track record of delivering high-quality products. Our team of experts ensures that each product meets the required standards.
Secondly, our extensive distribution network allows us to serve customers worldwide. We have a strong presence in North America, South Asia, Southeast Asia, Western Europe, South America, Eastern Europe, the Middle East, Northern Europe, Eastern Asia, and the Domestic Market.
Lastly, we prioritize customer satisfaction and offer a wide range of services. We accept various delivery terms and payment methods, including FOB, CFR, CIF, EXW, CIP, FCA, DDP, DDU, Express Delivery, USD, EUR, CNY, T/T, L/C, MoneyGram, PayPal, and Western Union. Our team is fluent in English, Chinese, and Japanese, ensuring effective communication and support.
Choose Shanghai Wellco International Limited for reliable, high-quality insulation materials and excellent customer service. Contact us today to discuss your requirements.