<p><span quot;font-family: 宋体;"><span quot;font-size: 12pt;">铝材以及铝合金在经过粗化、化学抛光后的挂灰去除剂。</span></span></p> <p><span quot;font-size: 12pt;"><strong><span quot;font-family: 宋体;">【特点】</span></strong><strong></strong></span></p> <p align="left"><span quot;font-size: 12pt;">1．<span quot;line-height: normal; font-variant: normal; font-style: normal; font-family: "> </span><span quot;font-family: 宋体;">对于用以前的硫酸·硝酸溶液难以除去的铜、锌等的挂灰用优良的去除效果。（不适用于铸铝、压铸铝等的含高硅合金）</span></span></p> <p align="left"><span quot;font-size: 12pt;">2．<span quot;line-height: normal; font-variant: normal; font-style: normal; font-family: "> </span><span quot;font-family: 宋体;">比硫酸·硝酸溶液寿命长。</span></span></p> <p align="left"><span quot;font-size: 12pt;">3．<span quot;line-height: normal; font-variant: normal; font-style: normal; font-family: "> </span><span quot;font-family: 宋体;">不腐蚀铝材以及铝合金材料。</span></span></p> <p><strong><span quot;font-family: 宋体;"><span quot;font-size: 12pt;">【外观】</span></span></strong></p> <p><span quot;font-family: 宋体;"><span quot;font-size: 12pt;">褐色强酸性液体</span></span></p>