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Continue to ChatAre new lubricating oils acidic and is it possible for an oil to be both acidic and alkali when it has a TAN and TBN? https://learnoilanalysis.com/lube-oil-test-analysis-lab-lubrication-reliability-maintenance/are-new-lubricating-oils-acidic-and-is-it-possible-for-an-oil-to-be-both-acidic-and-alkali-when-it-has-a-tan-and-tbn/