... is installed. System cleaning may be necessitated by the build-up of sludge and/or varnish in old systems. Physical ... ) base Compressor Lubricants , HP-LDPE Gas Compressor Lubricant , Pressure up to 3500 bars , ArChine Synfluid LDPE-320L , High Pressure Low ... copolymer of ethylene with other monomers , vinyl acetate monmer , VAM up to 15% , PAG base Synthetic Hydrocarbon Gas Compressor Oil , ArChine ...