Influence of Monodisperse Fe₃O₄ Nanoparticle Size on Electrical Properties of Vegetable Oil-Based Nanofluids

Table 1

Basic physical and chemical properties of the FR3 and the insulating vegetable oil-based nanofluids.

Parameter	FR3	Nanofluids
Appearance	Light yellow	Dark yellow
Density (kg·m^−3, 20°C)	0.90	0.90
Kinematic viscosity (mm^2·s^−1, 40°C)	43.0	44.0
Pour point (°C)	−18	−18
Flash point (°C)	325	325
Acid value (mg·KOH·g^−1)	0.03	0.03
Interfacial tension (mN/m)	30	30