| 简介 |
PROBLEM TO BE SOLVED : To provide a water-soluble work liquid composition for abrasive grain fixed wire saws excellent in cutting materials other than rare earth magnets. SOLUTION : The composition contains (A) glycols (such as propylene glycol and polyethylene glycol), and may further contain salts composed of (B) carboxylic acids (such as oleic acid and dodecanoic acid) and (C) compounds soluble in water to show a basic property. The molecular weight of (A) the glycols should preferably be 70-100, 000. The carbon number of (B) the carboxylic acids should preferably be 8-22. The basic compounds (C) should preferably be an alkanolamine, sodium hydroxide, potassium hydroxide, or the like. For cutting silicon, it is preferred that pH be 5.5-9.5 when the composition is diluted ten times in water. |
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