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钢铁余热发黑剂系用多种有机防锈剂、有机着色剂、乳化分散剂和清洗防绣剂经多道工序配制而成。利用热凝聚沉积成膜,使钢铁工件表面发黑,起防锈和保护作用。同传统的碱性煮黑比较,越来越多的显示出此工艺的优越性。一、利用回火余热发黑,使用简便上海标准件五厂、滕州标准件厂引进美国的链板式连续热处理生产线,天津标准件厂引进日本的自动化热处理生产线,均配备回火冷却槽,把发黑剂原液用水调配到适宜浓度,工件回火后陆续掉入稀释液中20～30s,带出干燥即使回火发黑一次完成,简化了工序,
Iron black heat agent with a variety of organic anti-rust agent, organic colorants, emulsifying and dispersing agents and anti-embroidery agent prepared by the multi-channel process. The use of heat-coagulation deposition film, so that the surface of steel black, rust and protection. Compared with the traditional alkaline cook black, more and more shows the superiority of this process. First, the use of tempering waste heat black, easy to use Shanghai standard parts Wuchang, Tengzhou standard parts factory to introduce the United States chain plate continuous heat treatment production line, Tianjin Standard Parts Factory to introduce Japan’s automated heat treatment production lines are equipped with tempering cooling tank, the hair Dispensing solution of black agent to the appropriate concentration of water, after the workpiece gradually dropped into the diluent after tempering 20 ~ 30s, out of the dry even if the tempering black once completed, simplifying the process,