Influence of Nanocomposites of LDPE Doped with Nano-MgO by Different Preparing Methods on Its Dielectric Properties

Table 2

DC breakdown strength of the composites.

Item	Base LDPE	LDPE doped with MgO prepared by microwave method	LDPE doped with MgO prepared by direct precipitation method	LDPE doped with MgO prepared by homogeneous precipitation method
Breakdown strength/kV/mm	260.9	310.0	263.3	270.4