WOIL VISCOSITY IMPROVERPRODUCT DESCRIPTIONWOIL VISCOSITY IMPROVER It is a concentrated engine oil additive containing high-tech additives with viscosity index increasing properties. FEATURES / BENEFITSEngine Oil Economizer reduces oil consumption. It prevents knocking as well as preventing oil pressure loss in all kinds of gasoline and diesel engines. It mixes easily with all kinds of engine oil.DOCUMENTSTDS MSDS