我厂从1963年开始防锈油的试验研究工作。先搞204—1防锈油,1965年又开始搞乳化切削液的试验研究。至今,我厂共搞了九个产品,其中封存用油四个,工艺用油五个。现将九个产品介绍如下,供选用时参考。封存用油(一)204—1置换型防锈油204—1防锈油由下列原料组成: I plant from 1963 anti-rust oil experimental research. 204-1 anti-rust oil first engaged in 1965 began to engage in emulsion cutting fluid test research. So far, I plant a total of nine products, of which four sealed oil, process oil five. The nine products are introduced below, for selection reference. Sealed oil (A) 204-1 replacement anti-rust oil 204-1 anti-rust oil consists of the following raw materials: