HH902钢铁常温发黑剂配套工艺研究

不锈钢抛光工艺，传统配方多有铬酸、氢氟酸、硝酸等毒害较大物质，对环境污染较大，同时采用高温酸洗，去除氧化皮等，使成本增加。本文介绍不锈钢的粗抛、细抛、精抛是将酸洗、化抛、电抛融为一体的不锈钢抛光组合工艺，不仅显著地降低了环境污染，还确保了不锈钢光亮如镜的靓兰色泽，这在生产实践中得到验证。

The steel nigrescence in normal temperature, it＇s popular in the market, because it has simpleness, economization and high efficiency. This article emphatically introduced the characteristic and the suited technics of HH902 steel nigrescence reagent in normal temperature, proposed several kind of technological process for choose about cleanly production, economization, it has may maneuverability and applicability.