Z Premium Hydraulic Oil ISO VG 46, Anti-Wear Hydraulic Oils have high viscosity index, chemically stable, good quality mineral base oils which have been further fortified with anti- oxidant, anti-corrosion, anti-wear and anti-foam additives. Recommended as fluid media for hydraulic systems operating under moderate to severe conditions. Also recommended for circulation, splash, ring oiling system, industrial gear and air compressors.