Insulation cardboard It has better machinery intensity, higher resist-electric intensity, flat surface Payment term : TT / LC Insulation cardboardIt has better machinery intensity, higher ... electric intensity, flat surface, toughness and is widely used for insulation material of electrical engineering, electrics, etc, as well as for ... (in oil)In air after bending ≥ 8kV/mm; ≥8kV/mm insulation cardboard