Can ester-based synthetic oils be mixed with other oils?

Ester-based synthetic oils should not be mixed with other types of oils, such as mineral-based oils or other synthetic oils that do not have a compatible formulation. This is primarily due to the unique chemical properties of ester-based oils, which can lead to adverse reactions or degradation of the oil when mixed with incompatible lubricants. Mixing different oil types can also affect the performance and longevity of the lubricating solution, potentially leading to issues like increased wear, reduced efficiency, and even failure of the lubrication system. The incompatibility results from variations in viscosity, additives, and base oil technologies, making it essential to use ester-based synthetic oils exclusively without mixing them with other oils to ensure optimal lubrication performance and protection for the system in which they are used.