what is the fresh oil TAN value for Mobile vacuoloine 525 lube oil and can it be more than the serviced fluid (After servicing for more than 40,000 hrs) ??
recent Analysis reveled fresh fluid has a TAN value of 1.34 and the serviced fluid has TAn value of 1.25 mgKOH/g, testing is carried out with latest ASTM D 664 standard.
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