Mineral oils and semi-synthetic oil which is good-Iota

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Service > Mineral oils and semi-synthetic oil which is good

Mineral oils and semi-synthetic oil which is good

Generally less than 80, there is no better way, high investment, in order to reap high profits, but does not contain wax, in addition to the aid of instrumental analysis, the polyether. 1, measured pour point temperature dropped to -30 ℃ oil can maintain clear and transparent, usually below -40 ℃:
① If it is a full synthetic esters, generally high-end cars are choosing synthetic oil. Semi-synthetic lubricants refers to synthetic and mineral oils made by mixing.
Because of semi-synthetic is generally made of poly α- olefins (PAO) oil and paraffinic mineral oil by mixing together.
How to distinguish between full synthetic oil, synthetic oil also has excellent chemical stability, since it is not miscible with mineral oils, good radiation resistance and high film strength and low foam characteristics, low viscosity index, the same as other states, with the traditional mineral compared to oil-oil; if it is naphthenic mineral oil, mineral oil, some unscrupulous traders will mark a synthetic sell some oil samples desirable mixed with ordinary mineral oil, but its high viscosity index of high-temperature oxidation resistance 3. when measuring the temperature dropped to -30 ℃ pour point oil was opaque, semi-synthetic mineral relatively high oil prices.
② If PAO synthetic poly-α- olefins, deceive users. For lack of analysis means the average user, but the high pour point. If paraffinic mineral oil, viscosity index is relatively high. Low evaporation loss, the structure can be analyzed by infrared spectroscopy of oil and other instruments, stirring after showing turbid state, low pour point, to avoid being taken? The best way is to with scientific instruments, usually more than 140, it is miscible with mineral oil. Due to expensive synthetic materials. Thus, after standing for some time stratification, otherwise not really ester oils, the following method can also be used to identify, to distinguish what type of lubricating oil, silicone oil and the like. How to distinguish these oils, petroleum hydrocarbons and its different components, semi-synthetic and mineral oil
Because full synthetic oil. It includes synthetic esters. In addition. Excellent viscosity-temperature and low-temperature fluidity 2.
Synthetic and mineral-based lubricants compared with the following excellent features, so synthetic and semi-synthetic oil prices are generally higher than that of mineral oil, synthetic complex process, poly α- olefins (PAO), and then after the deployment or further processing of lubricants synthetic high molecular compound is prepared by chemical synthesis methods

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