The functions of Pronotek vacuum pump oil：

Air-tight, to prevent air entering the exhaust valve, creating a gap seal between moving parts(between rotor and stator, rotary blade and rotor slot)

lubrication, producing relative lubrication between moving parts to reduce wear

Cooling, the vacuum pump oil will circulate between pump and oil tank so as to discharge the heat and cool the machine

Wrapping the dust generated from the wear and other particulars into the oil in order to reduce wear and damage

Protective, it can generate apiece of protective oil film, preventing water or chemical vapor or congelation from corroding the inner parts.