Tena-Film Heavy Duty Hydraulic Oils are premium anti-wear hydraulic lubricants formulated from highly refined, dewaxed paraffinic base oils and a specialized additive package designed for both industrial and mobile hydraulic systems. These oils provide outstanding wear protection, oxidation resistance, hydrolytic stability, rust prevention, and demulsibility while maintaining excellent performance across a broad range of operating pressures and temperatures. Fortified with oxidation inhibitors, rust inhibitors, anti-foam agents, anti-wear additives, castor lubricity additives, and pour point depressants, Tena-Film Heavy Duty Hydraulic Oils deliver reliable long-term protection and efficient hydraulic system operation.