Detergents play crucial role in protecting various metallic surfaces of components in internal combustion engines through neutralizing acidic complexes already formed during combustion processes. For instance, in diesel engines, sulfuric and organic acids are produced through an oxidation process between sulfur (available in the fuel and lubricant) and oxygen. The Total Base Number (TBN) reflects the acid-neutralizing ability, scaled on mgKOH/g of additive. TBN Booster or high TBN overbased detergents reduce these complications with excellent detergency and rust inhibiting properties.
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