CI - 4 : Very heavy duty diesel engine oil announced in 2002. Engine oil used in four-stroke high-speed engines that meet 2004 exhaust emission standards. Its stability at high and low temperatures, piston deposit control, soot control, corrosion and oil consumption control feature is more.
SL :Gasoline engine oil category issued on July 1, 2001, regulated for the requirements of engines manufactured in 2002. It can also be used on previously manufactured vehicles. Gasoline engine oil that provides better deposit control and low oil consumption at high temperatures.
15W40 API CI-4 /SL STANDARD
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.