Foam Tendency

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What are reason for the foam tendency in used oil such that pegasus-1005 having running hour of 8000?also after successive sample does not show any trendline?
1.Running hour-8000
Foam Sequence(II)-340/10
Foam Sequence(III)-240/0
2. Running Hour-8500
Foam Sequence(II)-240/20
Foam Sequence(III)-150/0
what will effect of engine of the foam?

1/4/129:19 AM

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nurudinMember

every lubricant which having high service hours, mostly having high foam tendency.

I don't think so if it is realy foam problem.

the direct effect which mostly appear along with foam problem is high (increasing) oil temperature.

regards,

Nurudin

1/23/124:39 AM

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johnmMember

What happened to Sequence 1? How does it look?

5/5/125:03 PM

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cindyallisonMember

I hope you will add some more information about Foam Tendency.

5/9/125:09 AM

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