Why are base stocks important. Their use as lubricant base stocks is only a fraction of the total market.

Base Oil Report Pricing Lubes N Greases

And reacting the lube oil feedstock at hydrotreating conditions selected to maintain a volumetric cracking conversion during hydrotreating of less than 20 and a sulfur content of the hydrotreated oil of less than 50 ppm wherein the change in viscosity index of the lube oil feedstock during.

Lube oil base stock. A process for producing a lubricating oil base stock comprising upgrading a petroleum feedstock to produce a lube oil feedstock having a viscosity index higher than that of the petroleum feedstock. They are the major component in lubricants industrial pceo hddo marine product type component 98 100 base stock 80 90 base stock 75 85 base stock 65 80 base stock 0 20 40 60 80 100 additives. Ever since its foundation in 1976 as the first lube base oil refinery in south korea s oil corporation set a milestone in south korean base oil market which entirely depended on import and has been a leading supplier of lube base oil in south korea as well as global market.

These base oils are at times mixed with other base stocks to enhance the oil s properties. From what we have learned it may seem like the only thing we need to do is pick a base stock oil mix in some additives and presto we have lubricating oil. These types of oils are used in the production of lubricants and lubricant additives but usually do not include additives.

Generally a group i base oil is described as either solvent neutral sn or bright stock bs. Hydrotreated lube oil base stocks 821235 gulf canada s adaptation of the gulf hydrotreating process for the manufacture of lubricating oil base stocks is described. It may also have the function of transporting foreign particles and of distributing heat.

The term bright stock refers to the base oil. In the preceding lube notes we covered basic lubrication oil functions additives and base stocks. Esters are common group v base oils used in different lubricant formulations to improve the properties of the existing base oil.

Industrial oil 28 commercial vehicle oil 30 passenger vehicle oil 23 marine 5 process oil 14. If only it was that simple. The key process operating parameters are discussed feed stock properties are shown and the base stocks produced are discussed.

Kv100 for mineral engine oil with group iii base stock and synthetic engine oil with polyalphaolefin pao. The property of reducing friction is known as lubricity. Group i base oils are solvent refined which involves a simpler refining process.

A somewhat similar system used in europe is the association technique de i industrie européenne des lubrifiants atiel code of practice. To comply base oil manufacturers declare that their base stocks of. Base stocks lubricants and lubricating oil a lubricant is a substance introduced to reduce friction between moving surfaces.

Of course it s not. Now it s time to construct finished lubricating oils. An example would be a pao based compressor oil that is mixed with a polyolester.