3240Epoxy Fiberglass Cloth Laminated Sheet is made of ethoxyline and glass cloth by thermal compression. Fr4/G10 Epoxy Fiberglass Cloth Laminated Sheet is made of ethoxyline and electrical alkali-free glass cloth by thermal compression. Width:1980mm~2070mm Application:As insulating structural parts for F-grade electrical machines apparatus and equipments. Suitable in humid situation and transformer oil.