insulate Class B RoHS/SGS UL certification Polyester and ... mechanical properties,dielectric properties and impregnation properties. Applicable to Class B,F motors,it can be used as slot ... delamination, no blister, no adhesive flow5. ApplicationApplicable to Class B,F motors ,it can be used as alot ... -turn insulation in the electrical appliances. F-class DMD---electrical insulation composite materials