An ISO-4406 cleanliness rating for fluids is expressed as three numbers, such as 17/15/10. The numbers, left to right, are codes for the approximate number of particles— contained in a very small ...

The efficiency of your operation, longevity of your hydraulic systems and life of hydraulic oil often hinge on one simple factor – oil cleanliness. Contaminants in hydraulic systems can have ...

At Chevron, we talk a lot about the importance of lubricant cleanliness. And it’s important enough that it bears repeating: particle contamination is the No. 1 cause of lubricant-related mechanical ...

“The use of the three-part ISO 4406 cleanliness code in the PCM500 is a subtle improvement from previous models with a significant impact, as it offers a much more accurate estimate of contamination. ...