Grade of lubricating oil base oil
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I have seen several types of products for lubricant hydrogenation units; those with a viscosity of 4 and 6 CST are the most common. A small number of these units can produce or blend base oils with viscosities of 8 and 10 CST, while those with higher viscosity use 150BS as the base oil. I would like to ask those who are experts in this field: are these types of base oils particularly easy to sell in the market? Or is there the highest demand for them when used in blending processes?
Engine oils primarily use base oils with low viscosities of 4 and 6 cSt; diesel engines and hydraulic fluids require the addition of a certain amount of 500N viscosity oil, while gear oils usually use 500N and 150BS viscosity oils. High-viscosity base oils have high requirements for raw materials, and their production is more difficult compared to low-viscosity base oils