CF - 4 : It is the level introduced in 1990, which provides less deposit formation and oil consumption in addition to CE performance. Heavy-duty turbocharged and supercharged diesel engine oil operating under low speed-heavy load and high speed-heavy load conditions.
SJ :It is arranged for the requirements of gasoline engine vehicles released in 1997. In addition to SH performance, less volatile, more compatible with catalysts, gasoline engine oil with higher low temperature properties.
15W40 API CF-4 /SJ STANDARD RUBBER
The formula and manufacturing technique of the engine oil, which is produced by going through various reactions of multiple raw materials, can be found in the prepared pdf file.
* Process additive detailed list.
* Process temperatures and additive amounts.
* Processing time, detailed details.