TBN Booster is automotive lubricant which is red brown in appearance. Its sulfonic acid content ranges between 80% to 95%. It has unique oil solubility and it can neutralize strong acid as well as inorganic acid in oil. It also has good thermal stability and it shows unique detergency at high temperature. TBN Booster acts as suitable additive during mixing of over based marine cylinder lubricant. Stable mechanical attribute, 210 degree C flash point and good water resistance capacity are their main features.