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Power Generation

Supplying Power Generation OEMs & Field Service Repair with Critical Path Materials for over 60 years

With a track record of over 60 years of successful use in large scale electricity generation, Astro has become the trusted name in generator assembly materials. From high temperature, thermally conductive potting compounds and adhesives to coatings for static dissipation, dielectric insulation and corona protection, we offer the most comprehensive product offering in generator manufacture and repair.

Today our innovative materials continue to meet the emerging needs of the industry, allowing design engineers to push the limits in thermal, mechanical, and electrical performance to build more efficient, cost-competitive equipment for utility-scale power generation.

Our products are designed to tackle the harshest challenges in generator design: 

  • High-temperature resistance up to NEMA Class H 
  • Thermal conductivity 
  • Thermal insulation 
  • Electrical resistance
  • Electrical conductivity 

We test our materials in-house against the most stringent ASTM, IEEE, NEMA, and OEM standards. 

Typical Applications in the Stator End Winding Assembly

  • Repair Kits for Insulation Repair
  • Capping Compounds for Series Loop Caps
  • Core Plate Enamel for Stator Core Laminations
  • Weeping Saturants for Core and Winding Consolidation
  • Impregnants and Impregnated Felt for Blocking and Structural Support
  • Flooding Resin Systems for Bonding, Consolidation and Dielectric Protection
  • Semiconductive Gradient Paint for Passive Discharge Protection
  • Semiconductive Paints and Adhesives for Stator Bar and Slot Surfaces
  • “Peanut Butter” Wedge and Hardware Adhesives
  • “Saturants for Lashing and Structural Tying”
  • Conductive Silicone for Bar Surface
  • Dielectric Smoothing Compounds for Taped and Brazed Surfaces
  • Protective Coatings and Paints

Typical Applications in the Stator End Winding Assembly

  • Repair Kits for Insulation Repair
  • Capping Compounds for Series Loop Caps
  • Core Plate Enamel for Stator Core Laminations
  • Weeping Saturants for Core and Winding Consolidation
  • Impregnants and Impregnated Felt for Blocking and Structural Support
  • Flooding Resin Systems for Bonding, Consolidation and Dielectric Protection
  • Semiconductive Gradient Paint for Passive Discharge Protection
  • Semiconductive Paints and Adhesives for Stator Bar and Slot Surfaces
  • “Peanut Butter” Wedge and Hardware Adhesives
  • Saturants for Tying Structural
  • Conductive Silicone for Bar Surface
  • Dielectric Smoothing Compounds for Taped and Brazed Surfaces
  • Protective Coatings and Paints
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