金属油污清洗剂GJ-1中助洗剂的优选

Optimization of Builder in the Cleaner GJ-1 for Metals Greasy Dirt

对 8种助洗剂根据其对金属油污清洗剂GJ 1配方的助洗效果进行试验和优选。结果表明 ,在各种助洗剂中 8号助洗剂效果最好 ,其配方在清洗温度 6 0℃及清洗时间 1 8min的条件下 ,对碳钢、铸铁、黄铜及铝试片的去油率分别达到 97 8%、96 9%、97 5 %和 98 0 % 。

The eight kinds of builders were tested and optimized according to ancillary detergency effectiveness of the cleaner GJ 1 formula for degreasing metals.The results show that the No.8 builder from all of the tested builders has the best effectiveness,and the unoil rate for the test pieces of carbon steel,cast iron,brass and aluminium reached 97 8%,96 9%,97 5% and 98 0%,respectively at 60℃ for 18min cleaning while the corrosivity does not increase practically