Lubrication technological SP-3 is made of transformer oil of the TK brand or industrial oil of General purpose of the I-12A brand.
It is used in rolling of non-ferrous metals and as a hydraulic fluid.
|Appearance||Homogeneous oily liquid from light brown to dark brown|
|Test of the corrosive action of the lubricant||withstands|
|Acid number, mg Koh per 1 g of lubricant||17 – 21|
|Ash content,%, not more||0,03|
|Content of mechanical impurities||none|
|The stability of the emulsion||does not separate|
|Alkaline number, mg KOH per 1 g of lubricant, not less||7|