PVC, or Polyvinyl Chloride, is a commonly-used plastic within the coated cable industry; its relatively low cost combined with its easy application to wire products makes it possibly the most widely-used electrical insulation material in human history.

PFA is a form of extruded Teflon, which has many interesting properties.  A difficult material to process, it is highly dependent on accurate tooling, which must be made from special materials.

Glass Fibre (Standard & High Temperature) is a varnished flexible cable insulation that offers excellent heat resistance properties, with the capability of surviving temperatures up to 750 degrees C.