SAE 80W/90 : Are incredibly high-pressure gear oils. They are used wherever high levels of stress occur, such as in hypoid gears of road vehicles, final drive gears, planetary gears, construction machinery, agriculture and industry.
API GL-5 : In hypoid gears with shock loading and operating under very heavy service conditions.
SAE 80W90 API GL-5 INDUSTRIAL GEAR OIL
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.