In rapidly developing telecom markets across Southeast Asia, reliability and installation efficiency are essential for network stability. This case highlights how we supported a telecom contractor in Thailand by supplying customized cold shrink tubes for cable joint protection in outdoor base station environments.

Customer Overview

The customer is a regional telecom engineering company based in Thailand, mainly responsible for infrastructure deployment and maintenance of mobile communication networks. Their projects are often located in tropical environments, where high humidity, heavy rainfall, and long-term UV exposure place strict demands on cable protection materials.

To ensure network reliability, the customer was looking for a supplier capable of delivering stable-quality cold shrink solutions that could perform consistently under such conditions.

Application Needs and Project Details

For this project, the customer required grey silicone rubber cold shrink tubes with a dimension of 40 × 150 mm. Compared to standard products, the longer length was intended to provide enhanced coverage for cable connector joints, improving sealing reliability in complex installation scenarios.

These cold shrink tubes were used in telecom base station cable connections, where they serve as a critical protective layer against moisture ingress, environmental contamination, and mechanical stress. In tropical regions like Thailand, where sudden rainstorms and high air moisture are common, maintaining a reliable sealing system is essential for preventing signal loss and equipment failure.

The total demand for this project was approximately 30,000 pieces. While the order volume was moderate compared to large-scale deployments, the customer placed strong emphasis on product consistency, installation convenience, and overall durability.

Solution Approach

Based on the customer’s application scenario, we provided silicone rubber cold shrink tubes designed for long-term outdoor use. The material offers excellent flexibility and maintains stable performance across a wide temperature range from -60°C to +200°C, allowing it to adapt to varying environmental conditions.

To ensure dependable sealing performance, the product meets IP68 waterproof standards, effectively protecting cable joints from water penetration, even in high-humidity and rainy environments. This makes it particularly suitable for telecom infrastructure in Southeast Asia.

During production, we followed strict quality control procedures, including inspections for dimensional accuracy, material elasticity, and sealing integrity. Each batch was carefully monitored to ensure uniform performance across all delivered units.

Delivery and Customer Feedback

The entire batch of 30,000 cold shrink tubes was completed and delivered within the agreed timeframe. The products were smoothly installed on-site, with no reported issues during application.

Following deployment, the customer confirmed that the cold shrink tubes performed as expected, offering reliable sealing and protection for cable connections exposed to outdoor conditions. The ease of installation also helped improve overall project efficiency.


This project demonstrates our ability to provide flexible and application-oriented cold shrink tube solutions for telecom infrastructure projects in Southeast Asia. By combining stable material performance, precise manufacturing, and dependable delivery, we help customers achieve reliable protection for critical cable systems.

If your project requires durable cold shrink tubing for outdoor telecom applications, Volsun is ready to support you with tailored solutions that match your specific requirements.

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