Fr4 / G10 Epoxy Fiberglass Cloth Laminated Sheet is made of ethoxyline and electrical alkali-free glass cloth by thermal compression.Characters -Temp .Class F (155ºC) -stable dielectric property after soaking -good water and heat resistance . -flame retardant Application -As insulating structural parts for F-grade electrical machines apparatus and equipments. -Suitable in humid situation and transformer oil Availability - Form: sheet - Color: yellow, dark green Special color can be provided on request