Shell Vacuum Pump Oil S2 R is formulated from selected premium performance highly refined mineral oils. This provides the low vapour pressure and high performance desired for the effective lubrication of rotary vacuum pumps. Long oil Life Maintenance saving. Shell Vacuum Pump Oil S2 R is formulated to provide excellent resistance to oil degradation. This ensures the oil will provide a long service life as well as reduced tendency for sludge build up and deposit formation. Outstanding wear & corrosion protection. Shell Vacuum Pump Oil S2 R helps provide effective protection of internal metal surfaces from corrosion and wear. Maintaining system efficiency. The selection of low vapour pressure base oils with a narrow boiling range enables the pump to efficiently work at the vacuum for which it is designed over the extended maintenance period. Meets the ISO11600 standard which defines the physical properties of building sealants including anticipated movement. Long shelf life in aluminium cartridges (at least three years). Whatever the scale of a project be it sealing entire large scale building projects or simply repairing your homes roof it is ideal for: Sealing leaks and making repairs even on wet surfaces. Adhering all types of roofing felts. Waterproofing overlaps connections and joints of roof edges chimneys light domes and bushings for exhaust pipes. Fixing rainwater drain systems to the roof. Connecting damp courses and other waterproofing wall details.