Waterproof Insulation Mastic
- CCMT
- CHANGCHUN,CHINA
- Based on the order quantity
- 500,000 meters per month
1. The tape for cables not only offers electrical insulation up to 25kV, but its waterproof sealing performance is of another level.
The product is the best choice for providing a stable protection of cable joints and terminals.
2. Because of its combined rubber and putty layers, the material has the ability to create an inseparable, watertight seal, making sure that the area is well protected against moisture, dust, and other contaminants from the outside.
3. In addition, it can be used for sealing power cable sheaths and protecting joints, thus, significantly enhancing the sealing, durability and operational safety of the cable systems.
At cable joints, terminations, and sheath connections, if sealing material is not able to completely fill all the gaps or is subjected to harsh environments like humidity, high temperatures, and dust for long time, moisture ingress, insulation deterioration, and seal failure would be likely problems to happen. These problems do not only raise the chances of partial discharge, short circuits, and so on but also reduce the life of the cable besides putting the onus of higher maintenance costs afterwords.
Solution:
We make use of two types of materials in a combined rubber and sealant layer, which sticks to the part of the device where wires are joined and leaves no gap, hence the device, in the long term, remains waterproof and moisture-proof. Besides, the material is electrically insulated up to 25kV and is very adhesive. The combination provides a moisture and dust barrier, protecting the insulations and sheaths of cable joints, terminators, and joints.
Introduction to Tape for Wires:
This material is a specialized sealant blend created exclusively for sealing cable joint parts, termination parts, and protection layers of cables. It has double layers made up of rubber and sealant which together provide a good insulator against an electric current, make the area fully waterproof, preserve against the effects of wetness and corrosion. The material perfectly and firmly occupies all the spaces of the cable connections so nothing can get in. It greatly slows down the chances of electrical insulation getting worse by a water contact.
This material has excellent elasticity, strong bondability, and environmental adaptability so the usage is vast. In sectors as broad as electricity, telecoms, railways, and industrial power distribution, cable terminations are effectively and reliably sealed and insulated for a long time.
Product Parameters:
| Property | Testing Method | Typical Data |
| Elongation at Break | ASTM D 638 | 900% |
| Tensile Strength | ASTM D 638 | 2.0MPa |
| Dielectric Strength | IEC 243 | 20kV/mm |
| Dielectric Contance | IEC 250 | 3 |
| Volume Resistance | IEC 93 | |
| Adhesive and Self-Amalgamtion | - | Good |
| Oxygen Resistance | - | PASS |
| Heat Shock(130℃) | - | PASS |
Advantages of Tape for Wires:
1. Excellent Insulation and Sealing Performance:
Waterproof insulation mastic, has one of the highest dielectric strengths at 20kV/mm, it's great for ensuring reliable electrical insulation at cable joints and sheaves, besides that, it's also creating an extremely effective and moisture-proof waterproof seal which helps reducing the probability of both moisture entry and insulation failure.
2. Flexible Fit and Easy Installation:
Tape for cables can be stretched up to 900% before breaking which makes the material very flexible and easy to work with. The tape can closely adhere to cable joints and many different types of surfaces that are not flat or straight, which is great for installation and the sealing effect will be complete without breakage
3. Self-Adhesive and Self-Fusing, Excellent Compatibility:
Waterproof insulation mastic has good stickiness and can fuse in itself which means it can be easily used and will hold on tightly to a variety of materials, such as solid insulated cables, copper and aluminum wires, and the jacket of such wires, thus making a strong and permanent sealing layer on the outside.
4. Excellent Environmental Resistance:
Electrical waterproof insulating seal tape can be used continuously in environments ranging from -55℃ to 105℃ and has passed thermal shock resistance tests. It possesses excellent weather resistance, oxidation resistance, and aging resistance, making it suitable for complex working conditions in power, telecommunications, and industrial applications.
What Are the Applications of Electrical Waterproof Insulating Seal Tape?
· Power Cable Systems: Used for insulating and sealing cable joints, terminals, and sheaths, improving the reliability of power system operation.
· Industrial Equipment: Suitable for electrical connections in motors, control cabinets, automated equipment, and production lines.
· Communications and Infrastructure: Suitable for sealing cable joints in communication base stations, optical communication equipment, and transportation infrastructure.
· Durable Sealing &Protecting for Outdoors: This material is suitable for covering and waterproofing building wiring systems, underground pipe networks, bridge structures, tunnels and other outside electrical installations which will make the cable joints more resistant to the elements, humidity and prolong their life.
About Us:
With 40 years of industry experience, our stable manufacturing capabilities ensure global supply.
Sinces our founding in 1986, we have gathered about 40 years of technical and production experience in the cable accessories industry. Our plant is state of the art, with around 10,000 square meters of factory floor, over 200 skilled workers, and over 40 professional production equipment, which together, constitutes a fully-equipped and large-scale manufacturing system.
In addition to our production capabilities for power industry grade-insulating adhesives, we have a total of four sealant extruders that can produce up to 500,000 meters per month. The actual production capacity is determined by the type of the products. You are always welcome to get in touch with us to have a better understanding of the different capacity levels. Our power and efficiency allow us to keep our domestic and overseas customers always satisfied with their large quantity purchasing and steady supply requirements.
We emphasize both technological research and development and international certification to meet global market access requirements.
With the technical support of the Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, we continuously optimize product materials and manufacturing processes, constantly improving product performance and reliability. We have established and are operating an ISO 9001:2015 quality management system (No. 00123Q36311R5M/2200). Our products have passed international certifications such as CE, SGS, and IEC, and comply with environmental regulations such as RoHS and REACH.
We implement end-to-end quality control to ensure product stability and reliability.
We have set up a whole range of quality management from initial raw material to final product. All the products have got type test from the third party and then full-product test by the quality inspection department to guarantee that each batch is the same quality and performance.
Product inspection reports are given to customers with the products at time of delivery, so that they can be confident in using their products for different power engineering projects. We also make parts directly for companies and can do tailor made products which meet client technical requirements, dimensions, and brand needs.
Our products are exported to many countries and regions, serving customers worldwide.
Thanks to consistent and high product quality, together with the well-established and reliable manufacturing system, our cable accessories are being exported to many countries and regions around the world. The range of products is used in different international markets such as the Middle East, South East Asia, South America and Europe. Exported countries include Saudi Arabia, Turkey, the UAE, Iran, India, the Philippines, Thailand, Indonesia, Malaysia, Brazil, and Argentina. Beside that, our tape series products are continuously being sold into several of the EU countries and regions too, assuring stable and reliable product supply to the customers around the globe.
We continuously participate in international exhibitions to expand global cooperation opportunities.
In the span of two years, that is from 2023 to 2025, our presence at various global industry shows was a huge success. At the Mexican Energy Show, through product certifications, test standards and application solutions, our products attracted considerable interest from overseas customers. Besides that, we were quite involved in detailed talks with some of the companies about sample testing , project cooperation, and purchasing in large quantities.
FAQ:
1. Can power industry grade insulating adhesive adhere to irregular surfaces?
Yes. The material is soft and has high elongation, allowing it to tightly fill gaps and adapt to cable connection parts of various shapes.
2. Can power industry grade insulating adhesive be reused?
The product is primarily used for long-term sealing and protection. It is recommended for single-use after installation to ensure optimal sealing and insulation performance.
