Concentrate - used to dilute the base (BGS, GK, KGS, straight-run gasoline) to the required OCHI (AI-80, AI-92, AI-95), or when improving from AI-80 to AI-92, from AI-92 to AI-95. With a low octane base (below RON 60 or to save concentrate), it is recommended to add MMA or ferrocene. Can be used as a substitute for orthoxylene, MTBE, toluene, bentol, alkylates. It does not require special knowledge when used. The volume of administration is from 55 to 70%.