Endless Options in Electrical Insulation Strength & Stability


Haysite offers a range of products to meet all your electrical insulation needs. Whether it is GPO -1, 2, or 3, Haysite’s Fiberglass Reinforced Plastic Sheets provide our customers with options when faced with critical material requirements.

  • Typical applications include: General purpose electrical insulation, transformer spacers and supports, transportation components, high voltage appliance insulators, bus bar supports and barriers in switchgear.
  • Our H900 series is recognized as a top performer in the electrical industry.


Haysite offers a variety of grades to meet required specifications in high temperature applications. Haysite products retain their desired electrical properties without adverse affects to product strength and stability at elevated temperatures. Typical applications include: Layer and core insulation for dry type transformers, motor slot wedges, washers, brush plates and terminal boards.

  • Our HST-II is the benchmark for high temperature FRP materials.


Our product offering includes standard and custom materials which exhibit substantial resistance to cold flow or creep under heat and pressure.   In addition, we have over 25 different grades in a wide range of sheet sizes and thicknesses, for Corrosion Resistant, Flexible, and Magnetic applications. 




  • 5599 New Perry Highway,
    Erie, PA 16509-3598
  • (814) 868-3691
  • (814) 864-7803
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