Phenly xylyl ethane insulating oil is called pxe oil, with excellent physical and chemical dielectric capacity for capacitors. Name ... matter,no precipitation,no mechanical impurityDensity,20g/cm30.960-0.9900.960-0.999Refractive index,n25D1.5600~1.57001.5500~1. ... .5mm≥55≥60Dielectric loss factor,tg δ ,90,50Hz≤0.001≤0.0010Volume resistivity,pv,Ω·m,90≥1x1012≥1x1012Relative dielectric constant,ε,50Hz ...