The Role of TBN in Engine Oil

TBN (Total Base Number) is an important part of the detergent in an engine oil. It is designed to react and neutralize acids in the engine. Afton understands TBN and develops engine oil additive packages to work in the markets and conditions a customer needs to optimize their engine oil needs. To help stop our customers from paying more for chemistry than is needed and help ensure longer drain intervals, we have produced a fact sheet answering some of the important questions surrounding TBN.
 

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