Aggarwal Brothers

High Quality HT EPR Tape is a premium-grade, self-fusing electrical insulation tape made from Ethylene Propylene Rubber (EPR). It is specially designed for high-tension (HT) and medium-voltage applications where superior electrical insulation, thermal stability, and long-term reliability are essential.

The tape bonds to itself without adhesive, forming a void-free, moisture-proof insulation layer that restores and reinforces cable insulation. It offers excellent resistance to heat, ozone, UV, chemicals, and environmental aging, making it suitable for indoor and outdoor electrical installations.

Applications

• HT & MV power cable jointing and termination

• Primary electrical insulation up to high voltage levels

• Repair of damaged cable insulation

• Motor, transformer, and busbar insulation

• Outdoor and underground cable systems

Applications of EPR Tape- Primary electrical insulation for splicing cable from 600V to69kV on all solid dielectric cables.- Primary insulation for building stress cones on cables up to35kV on all solid dielectric cables.- Jacketing on high-voltage splices and terminations.- Moisture sealing electrical connections. -Bus bar insulations.- End sealing high-voltage cables.

EPR (Ethylene Propylene Rubber) tape, often called self-amalgamating or self-fusing tape, is a premium electrical insulating and sealing tape.1 When stretched and wrapped, its layers bond into a solid, seamless, rubbery mass, making it a critical component for high-performance electrical applications.

Here are the key features of EPR rubber tape:

Core Electrical & Sealing Properties

• Self-Amalgamating/Self-Fusing: This is the most crucial feature. When applied with tension and overlapped, the layers quickly fuse together without the need for heat or external pressure. This forms a void-free and electrically stable solid rubber mass.
  
  

• High Dielectric Strength: EPR tape provides excellent electrical insulation, making it suitable for a wide range of voltages, commonly used for cable joints and terminations up to 69 kV (kiloVolts).
  
  

• Excellent Moisture Sealing: The fused, solid mass forms a waterproof and airtight seal, offering superior protection against moisture, contamination, and corrosion.
  
  

Durability and Environmental Resistance

• Wide Temperature Range: It is highly stable and effective across a broad service temperature range, typically from  to continuous operation, with an emergency overload rating often reaching .
  
  

• Ozone and UV Resistance: The material is highly resistant to degradation from ozone and ultraviolet (UV) light, making it ideal for outdoor and harsh environmental applications.
  
  

• Weather and Chemical Resistance: It offers high resistance to weathering and a variety of chemicals, acids, and alkalis.
  
  

Flexibility and Ease of Application

• High Conformability: The rubber material is highly elastic and conformable. This allows it to be stretched and wrapped easily around irregular shapes (like cable lugs, connectors, and splices) to ensure a complete, smooth, and void-free insulation build-up.
  
  

• Compatibility: EPR tape is compatible with a broad range of standard cable insulation and jacketing materials, including XLPE, PVC, butyl, and neoprene.
  
  

• Stress Management: It is specifically used to smooth electrical stresses on irregular components in medium and high-voltage applications, often used in building stress cones.
  
  

In summary, EPR tape is the go-to choice for creating durable, waterproof, and high-quality electrical insulation and jacketing, especially in high-voltage and outdoor environments where moisture and temperature extremes are concerns.