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Oil-held grinding oil
Oelheld is approved as a designated and recommended oil by major machine tool manufacturers for tool grinding oils, electrical discharge machining oils, etc., and holds a significant market share in this field in Europe and the United States. ■ There are four types of base oils for grinding oils: - Mineral oil - Hydrogenated oil or semi-synthetic oil - GtL (Gas-to-Liquid oil) - PAO (Fully synthetic oil) Oelheld does not use pure mineral oil in the grinding process.