Reply to "Correlation filter blockage - antifoam additive"

hussamadeniMember

My experience with a customer using AW Hydraulic Oils, in India, was similar white deposits. An investigation revealed that this was due to ZDDP breaking down in the presence of water/moisture, when under high or continuous load conditions i.e. with increasing temperature and pressure. White deposits choked/blocked the filters with white deposits of Zinc Oxide.

In your posts you mentioned of white deposits constituent to be Si and Ba. This is a bit odd!! If the plant is located in a sandy/desert area it is understandable. But Ba??

6/3/1611:43 AM

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