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Dielectric Rubber | 10kV/mm Electrical Insulation

The dielectric rubber you need for safety mats, substations, and protection equipment. 10kV/mm dielectric strength with ASTM certification. Get a quote in 24 hrs!

Dielectric Rubber | High-Voltage Electrical Insulation for Safety and Protection

Looking for a material that guarantees maximum electrical protection in high-voltage environments? Dielectric rubber is the solution you need. This specialized elastomer is formulated to provide excellent electrical insulation properties, making it essential for safety mats, substations, protection equipment, and any application where electrical safety is a top priority.

With a minimum dielectric strength of 10kV/mm, dielectric rubber provides a reliable barrier against electrical discharges in high-voltage environments. Its wide temperature range of -20°C to 145°C and excellent weather resistance make it the preferred material for applications in electrical substations, control rooms, and work areas with medium and high-voltage equipment.

Available in rolls and sheets of dielectric rubber with ASTM certification. Need electrical insulation for your project? Keep reading to discover all the advantages of our high-voltage dielectric rubber.

Dielectric Rubber for Electrical Insulation - Everest Group

Dielectric Rubber Properties for Electrical Insulation

Dielectric rubber stands out for its exceptional electrical and mechanical properties, ideal for high-voltage and electrical safety applications:

  • High dielectric strength (10kV/mm minimum): Provides a reliable barrier against electrical discharges in substations and high-voltage equipment.
  • Excellent acoustic insulation and vibration absorption: Reduces noise in control rooms and transformer areas.
  • Wide temperature range (-20°C to 145°C): Maintains its properties in extreme conditions, ideal for safety mats in outdoor applications.
  • Superior weather and aging resistance: Guarantees a long service life in applications exposed to adverse weather conditions.
  • Excellent impact absorption and mechanical properties: Withstands loads and impacts in industrial areas and electrical substations.

These properties make dielectric rubber an indispensable material in electrical substations, high-voltage work areas, and applications where electrical safety is a priority.

Dielectric Rubber Technical Data Sheet – 10kV/mm

Technical specifications of dielectric rubber for high-voltage electrical insulation

PHYSICAL PROPERTIES
PARAMETERS METHOD SPECIFICATIONS
SHORE A HARDNESS ASTM-D2240 60 - 65
TENSILE STRENGTH, psi ASTM-D412 1050 MINIMUM
% ELONGATION ASTM-D412 525 MINIMUM
TEAR RESISTANCE, KN/m ASTM-D624 20 MINIMUM
TEMPERATURE RANGE, (°C) ASTM-D573 -20°C TO 145°C
WEATHERING RESISTANCE - EXCELLENT
ACOUSTIC INSULATION FACTOR - VERY GOOD
VIBRATION ABSORPTION - VERY GOOD
IMPACT ABSORPTION - VERY GOOD
DIELECTRIC STRENGTH MINIMUM - 10kV/mm
CHEMICAL PROPERTIES
SUBSTANCES METHOD SPECIFICATIONS
OZONE RESISTANCE, @40°C, 200 PPCM, 72 HOURS ASTM-D1149 NO CRACKS
CHEMICAL RESISTANCE ASTM-D471 GOOD
ACID AND ALKALI RESISTANCE ASTM-D471 GOOD
ALCOHOL RESISTANCE ASTM-D471 EXCELLENT

Dielectric Rubber Applications

Dielectric rubber with 10kV/mm dielectric strength is ideal for safety mats, substations, protection equipment, and high-voltage insulation. Complies with ASTM standards for maximum reliability.

Explore our Dielectric Safety Mat for high-voltage area protection.

Dielectric Rubber Applications | Uses in the Electrical Industry

Discover the sectors where dielectric rubber is essential for electrical safety and high-voltage insulation

Safety Mats

Dielectric rubber is the ideal material for safety mats and insulating floor coverings in substations, control rooms, and high-voltage areas. Its 10kV/mm dielectric strength ensures maximum protection for personnel.

Explore Dielectric Mat

Personal Protection Equipment

Dielectric rubber is used in manufacturing gloves, boots, and protection equipment for electricians working in medium and high-voltage environments. Its weather resistance and thermal stability ensure durability and safety.

Electrical Components & Insulation

Dielectric rubber is the preferred choice for transformer insulation, switches, distribution equipment, and electrical cabinets. Its ozone resistance and chemical resistance ensure reliable performance in demanding environments.

More applications for dielectric rubber

Dielectric rubber is also used in electrical substations for busbar insulation, in power generation plants for equipment protection, in railway traction systems for track insulation, and in high-voltage laboratories for test benches. Its versatility and superior dielectric properties make it the preferred material for applications where electrical safety and reliable insulation are priorities.

Dielectric Rubber Benefits | Why Choose It?

Advantages that make dielectric rubber the best choice for high-voltage electrical insulation

High Dielectric Strength – 10kV/mm

Dielectric rubber offers a dielectric strength of 10kV/mm, ensuring maximum electrical protection in high-voltage applications, substations, and safety mats.

Wide Temperature Range (-20°C to 145°C)

Operates efficiently from -20°C to 145°C, maintaining its dielectric properties and mechanical performance in extreme conditions, ideal for outdoor and industrial environments.

High Mechanical Strength

With 1050 psi tensile strength and 525% elongation, dielectric rubber withstands demanding conditions without losing its insulating properties.

Excellent Ozone Resistance

No cracks after 72 hours at 200 ppcm ozone, guaranteeing a long service life in applications exposed to adverse environmental conditions.

Acoustic Insulation & Vibration Absorption

Excellent acoustic insulation and vibration absorption, ideal for control rooms, substations, and electrical equipment requiring noise reduction.

Superior Impact Absorption

Very good impact absorption and elastic properties, protecting equipment and structures in industrial areas and electrical substations.

Reliability in High-Voltage Applications

Dielectric rubber from Everest Group combines 10kV/mm dielectric strength, superior mechanical resistance, and thermal stability to deliver exceptional performance in safety mats, substations, protection equipment, and high-voltage insulation. ASTM certified, it guarantees safety, durability, and reliability in the most demanding applications.

Dielectric Rubber Certifications & Standards

Materials certified under international standards to guarantee maximum safety and reliability

ASTM D2240

Shore A Hardness

Certifies the hardness of dielectric rubber in the range of 60-65 Shore A, ensuring the balance between flexibility and mechanical resistance.

ASTM D412

Mechanical Properties

Certifies tensile strength of 1050 psi and 525% elongation, ensuring durability in high-voltage applications.

ASTM D1149

Ozone Resistance

Certifies that dielectric rubber shows no cracks after 72 hours of exposure to 200 ppcm ozone, ideal for outdoor applications.

Dielectric Strength

10kV/mm minimum

Dielectric rubber meets the minimum dielectric strength of 10kV/mm, ensuring reliable electrical insulation in substations and safety mats.

Thermal Stability

-20°C to 145°C

Certified to operate across a wide temperature range, maintaining its dielectric properties and mechanical performance in extreme conditions.

Electrical Safety

High-Voltage Protection

Complies with international standards for electrical insulation and high-voltage safety, protecting personnel in substations.

Need a certified material for your electrical project? Our ASTM dielectric rubber guarantees maximum safety and reliability in high-voltage applications. Contact us for technical support.

Need 10kV/mm Dielectric Rubber for Your Project?

At Everest Group, we have the solution you are looking for. From dielectric rubber in rolls and sheets to custom safety mats for substations and high-voltage areas. ASTM certified. Get a quote in 24 hrs!

Request a Quote

Frequently Asked Questions

Do you have questions about dielectric rubber? At Everest Group, we have compiled the most common questions and their answers for you. Just select a question and you will see the answer immediately.

Dielectric rubber is a specialized elastomeric material formulated to provide excellent electrical insulation properties. It is primarily used in high-voltage applications, safety mats, substations, and protection equipment where a reliable barrier against electrical discharge is required. Its 10kV/mm dielectric strength ensures maximum protection for personnel and equipment.

Everest Group's dielectric rubber has a minimum dielectric strength of 10kV/mm, meaning it can withstand up to 10,000 volts per millimeter of thickness without electrical current passing through. This makes it ideal for high-voltage applications, substations, and safety mats where maximum electrical protection is required.

Yes. Dielectric rubber offers superior weather and aging resistance. Its formulation is designed to withstand UV rays, ozone, rain, and temperature changes without losing its dielectric properties. This makes it ideal for outdoor applications and electrical substations exposed to adverse weather conditions.

Dielectric rubber is available in rolls and sheets in different thicknesses and sizes to suit each project's needs. We also offer custom cutting and custom safety mat fabrication for substations and high-voltage areas. To learn about available options and receive a personalized quote, we invite you to contact us.

Yes. Everest Group's dielectric rubber complies with ASTM D2240 (Shore A Hardness), ASTM D412 (Mechanical Properties), and ASTM D1149 (Ozone Resistance). These certifications guarantee the quality, reliability, and safety of the material in electrical insulation and high-voltage applications.

Yes. Everest Group ships dielectric rubber in rolls and sheets throughout the United States, Canada, Mexico, Central America, and Spain. Delivery time depends on location and product availability. Contact us for shipping times and costs to your location.

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