Industrial Lubricants Which is better, ISO 46 or 68 hydraulic oil? March 7, 2026 by Myaya | Leave a Comment When deciding between ISO 46 and ISO 68 hydraulic oil, the primary difference lies in their viscosity, with ISO 68 being thicker than ISO 46. The better choice depends entirely on your specific hydraulic system’s operating temperature and pressure requirements, as well as the manufacturer’s recommendations. Understanding Hydraulic Oil Viscosity: ISO 46 vs. ISO 68 […] Read more ยป