位置：中游情绪：利好参考度：2/10


河南宏旺金属材料有限公司于2025年7月25日成功申请一项名为“不锈钢CO₂深处理高亮度表面光整工艺”的专利，申请公布号为CN120366765A ，申请日期是2025年4月24日。

该工艺具体包含以下步骤：首先，采用超临界CO与生物表面活性剂协同脱脂。超临界CO具有独特的物理化学性质，能与生物表面活性剂配合，有效去除不锈钢表面的油脂等污染物，为后续处理奠定良好基础。

其次，通过梯度干冰喷射实现粗抛至精抛过渡。利用干冰在不同条件下喷射，从最初的粗抛逐渐过渡到精抛，可有效改善不锈钢表面的粗糙度，提升表面平整度。

接着，在CO气幕保护下进行脉..

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