| 摘要 |
A WATER-SOLUBLE METALWORKING FLUID CONTAINS THE FOLLOWING COMPONENTS (A), (B), (C) AND (D): (A) A CARBOXYLIC ACID HAVING 8 TO 18 CARBON ATOMS; (B) A TRIALKANOLAMINE; (C) A WATER SOLUBLE POLYMER HAVING A MASS AVERAGE MOLECULAR WEIGHT OF 200 OR MORE; AND (D) WATER. |
