Impact of Sludge on Hydraulic and Lubricating Systems
Sludge – Varnish – Oxidation Products There are numerous types of insoluble contaminants found in hydraulic and lubricating systems. Insoluble contaminants are those materials that will not dissolve in the oil, such as varnish and sludge. The two most general classifications of insoluble contaminants are hard contaminants, such as dirt, debris and wear particles, and…