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Why silicone for electrical infrastructure?

Silicone materials offer a unique combination of electrical, mechanical and environmental performance that makes them ideal for transmission and distribution applications.

Key  benefits

  • Excellent electrical insulation properties
  • UV and weathering resistance
  • Tracking and erosion resistance
  • Arc resistance
  • Hydrophobic surface performance
  • Hydrophobicity transfer capabilities
  • Low flammability
  • High temperature resistance
  • Flexibility at low temperatures
  • Lightweight alternatives to traditional materials
  • Long-term durability in outdoor environment

Insulators & Bushings

Insulators and bushings play a critical role in maintaining safe and reliable operation across substations, transformers and high-voltage networks.
Silicone materials provide outstanding electrical insulation and environmental resistance while helping reduce component weight and maintenance requirements.
Bunte Silikon-Extrusionsprofile in Rot, Gelb, Orange, Blau und Grün

Applications

  • Hollow core insulators
  • Transformer bushings
  • Substation insulation systems
  • Switchgear insulation components

Insulators and Bushings

Overhead transmission and distribution networks rely on rod insulators to maintain electrical isolation while withstanding mechanical loads and environmental exposure.
Trelleborg supports the development of silicone components for:
  • Transmission line insulators
  • Distribution line insulators
  • Composite insulator systems
  • Surge arrester applications