Isoval FR4-HF Glass Epoxy Green Sheet is a specialised grade of Isoval Epoxy Glass, a UL recognised material which is free of halogens, antimony, nitrogen, phosphor and sulphur. It has a limiting temperature >180°C and meets the requirements of NEMA FR4 EP - 4. Isoval FR4-HF Glass Epoxy Green Sheet has characteristics including good mechanical properties, good electrical properties and can be substituted for G11 or FR5. Typical fields of application for Isoval FR4-HF Sheet include electronic and electrical engineering, chemical industries and general engineering. Isoval FR4-HF Sheet is a material well suited to CNC routing, CNC milling and CNC turning. If you have a requirement for machined or finished Isoval FR4-HF components please ask the Plastock team for more information.