Research Article

An Investigation of the Electrical Properties of Pressboard Impregnated with Mineral Oil-Based Nanofluids at Different Concentrations of Fe3O4 Magnetic Nanoparticles

Table 2

Basic parameters of the pressboard used in the present analysis.

ParametersSpecificationUnit

Thickness1.6 ± 7.5%mm
Apparent density1.00–1.20g/cm3
Tensile strength-machine direction (MD)100MPa
Tensile strength-cross machine direction (CMD)75MPa
Moisture content6%
Conductivity5mS/m
Ash content0.7%