1, process lubricating oil used for cutting, forming, treating and protecting metals and their alloys, collectively referred to as metalworking fluid. Metal working fluids are divided into two categories: oil-based and water-based. Water-based metal processing fluids are divided into emulsified oil, semi-synthetic liquid and fully synthetic liquid according to the oil content from high to low.
2. Emulsified oil generally contains 60-80% base oil, 12-25% emulsifier and some other functional additives.
3. The advantages of emulsified oil are that it has certain lubricity, rust prevention, cooling and cleaning properties like water-based cutting fluid, and it can be diluted with water, which is more economical and convenient to use, and is also conducive to the safety and hygiene of operators.
4. The disadvantage of emulsified oil is that it is easy to produce microorganisms and molds, which makes the effective components in emulsion decompose chemically and stink and deteriorate.
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