High Voltage Electrical System Tape is a cutting-edge product by Prodetech Co., Ltd., offering superior performance compared to conventional products on the market. This self-adhesive insulating mastic is specifically designed for insulating and sealing various types of overhead and buried electrical connections.
The tape features excellent stretchability, shrinkage, insulation, waterproofing, anti-corrosion, and chemical resistance properties. It ensures watertight sealing for high-voltage cable ends, capable of operating continuously at temperatures up to 105°C.
Ideal for insulating cable connections up to 35 kV, when covered with vinyl tape, the product is also highly suitable for sealing cable joints, pipes, and cable ends, ensuring long-lasting protection and reliability.
Technical specifications of 35kv self-adhesive rubber fape
Item | Value | Test |
Total thickness continuous operating | 0,8mm | ASTM-D-4325 |
Temperature emergency overload | -18°C ~ 105°C | ASTM-D-4325 |
Water absorption | 0,56% | ASTMD570 |
Ozone resistance | Pass | ASTM-D-4325 |
Elongation | >700% | ASTM-D-4325 |
Volume-resistance | 10^15 Ohm-cm | ASTM-D-4325 |
Dielectric strength | 35 kV/mm | ASTM-D-4325 |
Dielectric constant | 32 kV/mm | ASTM-D-4325 |
UV and weather resistance | No crack | ASTM-G154 |
Characteristics of J30 self-adhesive rubber tape
Applicable voltage up to 35 KV
Working temperature of conductor below 100°C
Suitable for overload characteristics of rubber plastic cable when the core temperature is too high at 130°C or short circuit temperature at 150°C
Advantages of J30 self-adhesive rubber tape
Excellent adhesion to metal and all kinds of insulation and cable sheath
Excellent thermal stability
Impermeable to water, salt water, soil and corrosive chemicals
Instructions for use
– Remove the insulation film before use
– Stretch the tape to about 300% of the original length and wrap 3 or 5 layers onto the cable in a continuous half-turn and half-turn manner –
Finally, use the same brand of PVC electrical tape to wrap at least 5 layers for protection
Outstanding advantages of foam rubber underground insulation tape:
Excellent insulation: This is the main and most important function of foam rubber tape. It prevents leakage current, ensuring the safety of the electrical system.
Effective waterproofing: Foam rubber tape has excellent waterproofing ability, protecting electrical joints from oxidation and corrosion due to the impact of humid environments.
High durability: Foam rubber material has good mechanical strength, withstands tensile, tearing and impact.
Good elasticity: The tape has high elasticity, easily wraps and hugs curved and angular surfaces.
Easy to use: The tape is designed with moderate thickness, easy to cut and wrap, no need for specialized tools.
Good chemical resistance: Foam rubber tape is resistant to many chemicals and grease, ensuring durability in harsh environments.
Safe: The tape does not contain toxic substances, environmentally friendly.

Application of 35kv self-adhesive rubber tape
Main uses of rubber tape J30 self-adhesive is to insulate and protect electrical lines from impact, abrasion, high temperature and humidity. Widely used in industries such as electronics, computers, refrigeration, automobiles and in construction works, used to mark wire positions, connect welds in electrical applications, make the material heat-resistant and can be used as an insulating material to protect other surfaces from high temperatures.
Reasons to choose 3WTAPE adhesive tape manufactured by Prodetech
High quality: 3WTAPE adhesive tape is produced from high quality materials, ensuring durability, superior adhesion and resistance to harsh environments.
Modern production technology : Using advanced technology lines, the product meets international standards, meeting strict technical and aesthetic requirements.
Diverse applications: 3WTAPE adhesive tape is suitable for many fields such as soundproofing, insulation, HVAC systems, surface protection, sealing joints and decoration.
High safety: The product is designed to be safe for the environment and users, does not contain toxic substances, and meets environmental protection standards.
Professional support service: Prodetech is always ready to provide dedicated consulting services, technical support and thoughtful product warranty for customers.
Competitive price: With the advantage of domestic production, 3WTAPE adhesive tape offers a cost-saving solution while still ensuring top quality.
Contact
PRODETECH ., LTD
Factory : Phu Cat – Quoc Oai District – Ha Noi City
Office : Shop-House b5-20, Vinhomes Gardenia Ham Nghi, Nam Tu Liem District, Ha Noi City.
Hotline : 0913.554.030 – 0904 698 379 – 0936 382 469
Website :3wtape.vn ; prodetech.vn ; beeflex.com.vn ; nanoflex.com.vn ;atata.com.vn ; microflex.com.vn
Contact Us
We are committed to product quality The production management process is strictly adhered to ISO 9001: 2015 and ISO 14000: 2015
Phone
0913 554 030 / 0904 698 379 /0936 382 469
sales.3wtape@gmail.com