1. Chemical Substances, Solvents, Surfactants, Additives, Crude Oil, Parfumes, Other Ind

    Broadly identified as viscosity modifiers, this kind of additives hampers the adverse outcomes by combating the inclination of oil to turn out to be thinner at large temperatures. It really is rare, nonetheless, that engine oil can do these issues with out the addition of additional chemical substances and the most crucial of these engine oil additives are viscosity index improvers (VIIs).

    Enlisted ...