Custom Rubber Molding Solutions for Electrical Transmission & Distribution

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Electrical Transmission & Distribution

Delivering high-performance custom rubber components engineered to ensure reliability, safety, and longevity in critical power infrastructure.

The Rubber Group specializes in custom rubber molding solutions for the electrical transmission and distribution industry. With decades of experience and advanced manufacturing capabilities, we deliver precision-engineered rubber components that meet the stringent requirements of modern power systems. Our commitment to quality, innovation, and reliability makes us a trusted partner for OEMs responsible for building and protecting key components of the electrical grid. 

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Key Applications

Insulator Components

Custom-engineered rubber components for composite and polymer insulators that provide exceptional electrical insulation properties, UV resistance, and hydrophobicity. Our materials maintain integrity in high-voltage environments while resisting tracking, erosion, and environmental degradation.

Bushing & Termination Seals

High-performance sealing systems for transformer bushings, cable terminations, and switchgear connections designed to prevent moisture ingress and maintain dielectric integrity in critical high-voltage equipment.

Transformer Components

Specialized rubber gaskets, seals, and expansion membranes for power transformers that accommodate thermal cycling while maintaining oil containment and environmental protection throughout decades of service. 

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Vibration Dampening Systems

Custom-formulated rubber components for transmission line dampers and substation equipment isolation that reduce mechanical vibration, minimize corona effects, and extend infrastructure lifespan.

Line Hardware Protection

Weather-resistant rubber components that enhance the durability and performance of transmission line hardware, providing shielding from environmental factors and electrical stress.

Switchgear & Cabinet Seals

Environmental sealing systems for pad-mounted switchgear, junction boxes, and control cabinets that prevent moisture ingress, resist UV degradation, and maintain performance across extreme temperature ranges.

Underground Distribution Components

Custom rubber components for underground cable accessories including elastomeric separable connectors, load-break elbows, and cable junction points engineered for decades of submersed service.

Smart Grid Equipment Seals

Precision-molded seals and gaskets for smart metering infrastructure, sensors, and communication equipment that provide long-term protection in outdoor environments.

Arrester & Cutout Components

Elastomeric components for surge arresters, fuse cutouts, and protective devices that maintain electrical isolation while withstanding environmental extremes and electrical stress.

Secondary Network Components

Custom rubber components for network protectors, submersible equipment, and vault applications that maintain performance integrity in challenging urban environments.

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Relevant Registrations and Certifications

ISO 9001:2015 Certification 

UL Recognized Components 

IEEE 1493 Compliance (Guide for the Evaluation of Sealants for Electrical Applications) 

Compliance with ASTM D2000 specifications for rubber materials 

Flame retardant formulations meeting UL94 standards 

Environmental compliance with RoHS and REACH regulations 

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Choose Us Today

Custom Molded and Extruded Rubber Products
Made in the USA