The sleeve is pre-expanded and conveniently assembled onto a removable core, making installation a breeze. Once positioned over a cable connector or terminal lug, the core can be easily removed, allowing the rubber tube to shrink onto the connector and create a secure, watertight seal.
Manufactured using high-quality Silicone rubber material, this sleeve offers exceptional weather resistance, as well as resistance to acids and alkalis. It is specifically engineered to withstand harsh environmental conditions, making it an ideal choice for telecommunication and power applications. Additionally, it can be used for various other types of connections, providing a reliable sealing solution across different industries.
With the Silicone Rubber Sleeve from Qingdao Runlin International Trading Co., Ltd., you can ensure the safety and durability of your wire and cable connections. Invest in this top-notch sealing material and experience the benefits of its superior performance.




Runlin is a leading manufacturer and supplier of silicone cold shrink tubes and related products. Founded in 2010, Qingdao Runlin International Trading Co., Ltd. has passed the ISO9001:2008 test and received the certificate of conformity for quality management system certification.
Quality and Innovation
At Runlin, we pride ourselves on our commitment to quality and innovation. Our technical director has designed machines for producing the main parts of cold shrink tubes, ensuring precision and efficiency. In fact, our plastic strip extruder has obtained a utility model patent, establishing our leading position in this field. It's no wonder that 80% of the supporting plastic belts in the market are produced by Runlin.
Wide Range of Products
Runlin specializes in cold shrink products, offering a variety of options to meet your needs. Our main products include:
- Cold shrink tube for telecommunication
- Cold shrink cable accessories
- Self-adhesive silicone tape
These products are not only popular in our domestic market, but also highly sought after in Europe, South Asia, and other regions.
Reliable Service
At Runlin, we are committed to providing high-quality products and reliable service to our partners and customers. We understand that your success is our success, and we are dedicated to supporting you in winning more and more business.





