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Electropren™

Electropren™: Next-Gen Silicone Solutions for Sustainable High-Voltage Applications

The global energy and infrastructure markets are rapidly evolving, shaped by advanced technology requirements, regulatory changes, and higher performance expectations. For over 30 years, Momentive has delivered reliable silicone elastomers to the transmission and distribution sector, supporting the manufacture of:

  • High- and medium-voltage cable joints and terminations
  • Connectors 
  • Composite insulators
  • Surge arrestors

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Why Choose Electropren™ LTC Technology?

  • Efficient and sustainable processing
  • Thermal Stability 
  • Exceptional Electrical Insulation
  • Mechanical Flexibility & Structural Integrity
  • Weather and UV Resistance
  • Design Versatility
  • Hydrophobicity
Drone Point View of Solar and Thermal Panels

Electropren™ Technology: Faster Low-Temperature Curing for Sustainable Energy Solutions

Momentive’s Electropren™ Technology portfolio features the industry-first Low Temperature Catalyst (LTC)—a patented innovation that:

  • Enables faster curing at reduced temperatures
  • Supports sustainable processing by lowering energy consumption
  • Maintains the high-performance reliability Momentive materials are known for

This breakthrough enhances productivity while delivering the durability and performance required for modern energy and infrastructure applications.

Close-up of multi-core copper power cable designed for high-voltage electrical infrastructure.

Electropren™ Delivers Faster, Energy-Efficient Curing with Superior Performance

Typical Results:

  • 5 to 10% less energy needed for curing
  • 20–50% reduction in curing time
  • Compatibility with temperature-sensitive components
  • Lower shrinkage potential
  • Same mechanical and electrical properties as standard LSR grades
Electrical technicians performing maintenance on industrial control panel, handling insulated tools and wiring for power system safety and reliability.

Applications Across the Grid

  • High-Voltage insulators
  • Transformer bushings
  • Encapsulation and sealing systems
  • Cold shrink and push-on cable accessories
  • Surge arresters and switchgear components
High-voltage electrical substation with insulators, circuit breakers, and steel structures near a multi-story building under clear blue sky.

Key Application Performance Characteristics

ApplicationEase of ProcessingHigh Elongation/Elasticity/TearDelectric StrengthVolume and Surface CondctivityTracking and Erosion ResistanceUV Weathering ResistanceHydrophobicity
Surge Arrestors/Composite Insulators✓ ✓✓✓✓✓
Push-On Cable Joints✓✓✓✓   
Push-On Cable Terminations✓✓✓✓✓✓✓
Cold-Shrink Cable Joints✓✓✓✓   
Cold-Shrink Cable Terminations✓✓✓✓✓✓✓✓
T-Connectors/Elbow Connectors/Switchgears✓✓✓✓   

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