... antioxidant. In most cases, the products will perform equally well.Special Features• Cleanliness: no sludge, varnish, lacquer, etc., formed.• High viscosity ... Gas Compressor oil , Witco PIB/White oil formulation , Polyisobutene and white oil formulation , WITCO , HP-LDPE compressor lubricant , Extremely high pressure compression process , Air Compressor ...