Grease is a stable grease-like semi-solid lubricant consisting of a thickener dispersed in a liquid lubricant. Additives and fillers of certain characteristics, also known as "butter" or "dry oil". I. Classification of Greases Greases can be classified by composition, application and performance. According to the composition classification: soap base grease, hydrocarbon base grease (J), inorganic finger (W), organic fat (Y) and synthetic oil-based grease, a total of 5 groups. among them
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