Lubrication of reciprocating or rotary vacuum pumps.PV SH 100 is a semi-synthetic oil specially formulated for the pumping of acidic and corrosive gases.PV SH 100 is foodgrade lubricant recommended for lubrication of vaccum pump used in the food processing industry.Benefits:Low oil saturating vapor pressure: this characteristic is essential in order to achieve the desired vacuum.High chemical inertance with chemical reagents.PV SH 100 is formulated from ingredients meeting United States FDA regulation 21 CFR 178.3570. PV SH 100 is NSF registred H-1 for incidental food contact (registration number: H-1 134 951).