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丝印字体如何擦除
更新时间: 2020-07-03 00:00:00  

丝印没有固化的情况下可以用温水浸泡,然后湿布轻轻擦拭即可除。丝印已经固化的情况下,固化的丝印是去不掉的,丝印油墨的要求就是耐焊接热处理,耐溶剂、清洗、涂覆等后处理。如果去掉丝印的话,会对电路板造成伤害。建议直接重新制板,然后不要带丝印。丝印的危害,通过皮肤接触,进入体内,会损害人体及皮下脂肪,长期接触会令皮肤乾裂、粗糙,如果渗入皮肤或血管,会随血液危及人的血球及造血功能,被吸进气管、支气管、肺部或经血管、淋巴管传到其他部位,甚至可能会引起慢性中毒。部分油墨有重金属离子的毒性问题,颜料和燃料含致癌成分,对人

关键词: 字体 如何

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