In stock, standard and cut to size engineering plastics, serviced by plastic professionals

Electrical Insulating Materials

Electrical Insulating Materials
Electrical Insulating Materials

Online Plastics stocks inventory of electrical insulating materials, including grades of GPO, phenolics, and MarBal / Glastic standoff insulators. We stock materials from Rochling and many other manufacturers and maintain inventory across the US for fast shipping to you. Our electrical insulating materials can be found in dry transformer, motor applications and more. Electrical insulating materials maintain electrical and mechanical characteristics in high temperatures.

Contact Online Plastics for Electrical Insulating Materials today

Request a quote or contact us for more information.


  • NEMA Grade Li 1-999 available
  • NEMA Grade GPO
  • UL approved materials in stock