【摘要】 介绍了YS—1钢铁常温快速发黑剂的机理及工艺应用过程。发黑膜颜色均匀,不脱色,附着力牢固。更多还原

【Abstract】 The mechanism and the technological process of the normal atmospheric temperature blacken a-gent type YS-1 for iron and steel was introduced in this article. This agent had the advantage of quick blackening, high efficioncy and low energy expend, no environment polution, low production cost and easy operation. It was suitable for all kinds blackering treatment of iron and steel surface. The color of blackening coat was well distributed, no decolor and strong adhesion.更多还原