Our ProductsResidue Oil Grade RMA 10 RMG 500 Flash Point ,° C 60.0 Min. 60.0 Min Hydrogen sulphide ,mg/kg 2.00 Max. 2.00 Max. Acid number, mg KOH/g 2.5 Max. 2.5 Max. Total Sediment , Aged ,Mass. 0.10 Max. 0.10 Max.