plastic disc 3240 I. 3240 Description We utilize electrical glass cloth impregnated with epoxy resin under heat and pressure to manufacture our fiber glass epoxy sheet and rod. This kind of reinforced thermoset is born with extraordinary machnical strength and dielectric properties. This plastic material is applicable for insulating parts used in electric motors and electronic appliances,Moreover,our fiber glass epoxy product is also capable of handling humid condition and insulating oil. â?¡. 3240 requirement The surface is smooth and free from bubble,corrugate and crack. â?¢. 3240 Strength 1.Oil resistant. 2.Outstanding inertness to all kinds of solvents and acid chemicals.