随着我国机械制造工业的迅猛发展,以及国防和出口的需要,金属的防锈工作愈显重要。而目前采用的主要手段是防锈油和防锈脂,但还存在一些缺点,不能满足许多产品的防锈要求。我院研制的74—2硬膜防锈油具有防锈期长,系透明快干硬膜,薄膜易用汽油、煤油等溶剂洗除,对黑色、有色金属均可使用等特点。1975年起交北京地区 With the rapid development of China’s machinery manufacturing industry, as well as the needs of national defense and export, the rust prevention work of the metal becomes more and more important. At present, the main method used is anti-rust oil and anti-rust grease, but there are still some shortcomings that can not meet the rust-proof requirements of many products. Our hospital developed 74-2 duralumin anti-rust oil with a long anti-rust, the Department of transparent quick-drying hard film, easy to use film petrol, kerosene and other solvents to wash, black, non-ferrous metals can be used and so on. From 1975 to the Beijing area