What is the NAS test and why is it important for special hydraulic oils?
Posted by Hamid Shakouri on 3rd Sep 2024
Within the realm of oil analysis, the
NAS (National Aerospace Standard) system serves as a tool for assessing particulate
contamination levels in the oil. This metric becomes an indicator of potential
wear and damage within machinery. The NAS system assigns a cleanliness code to
the oil, considering the quantity and size of particles present per unit volume
of fluid.The NAS code is determined by c
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