... , antioxidant/corrosion inhibitor, ashless antioxidant and antiwear agent, etc. The diesel engine oil blended with this package can largely reduce carbon ... 5 Above treating rates are calculated by addition method. This package is suitable for preparation of SAE 30, 40, 50, ... SH/T0164. Points for Attention 1, The package is a kind of functional additive package, applied by adding with antifoam agent. 2 ...