... of petroleum additives. lubricant additive The common used sigle agent series include the following types: 1. oil detergent: T104 ... defoaming agent: T901 etc.The Lubricant combinations mainly include the following types: 1. engine oil combinations:LZ8900L, T3135, RHY3141, ... interested in lubricant additives, please contact us, we can supply more detailed information for you. Additive for Lubricant oil