东莞市利琦精密机械有限公司 已通过实名认证

&nbsp;<span style="font-size:14pt;font-family:宋体;">铝制品表面自动拉丝机、餐具抛光机、刀餐自动抛光机、<span style="font-size:14pt;font-family:宋体;">平面自动水磨机、<span style="font-size:14pt;font-family:宋体;">金属拉丝机、冲压件去毛刺机</span></span></span> <p style="text-indent:21pt;"> <span style="font-size:14pt;font-family:宋体;">其主要原料为硅砂与碳素，辅助材料有木屑、**与回炉料。</span><span style="font-size:14pt;"></span> </p> <p style="text-indent:21pt;"> <span style="font-size:14pt;">1</span><span style="font-size:14pt;font-family:宋体;">、硅砂（</span><span style="font-size:14pt;">SiO2</span><span style="font-size:14pt;font-family:宋体;">）又称石英砂。冶炼</span><span style="font-size:14pt;">SiC</span><span style="font-size:14pt;font-family:宋体;">常用河砂，海砂及脉石英。河砂及海砂用来治炼黑色</span><span style="font-size:14pt;">SiC</span><span style="font-size:14pt;font-family:宋体;">，脉石英用来治炼绿色</span><span style="font-size:14pt;">SiC</span><span style="font-size:14pt;font-family:宋体;">。硅砂的粒度大小影响</span><span style="font-size:14pt;">SiC</span><span style="font-size:14pt;font-family:宋体;">的产量，也是电能消耗的重要因素，因此要选用质量合适的较细粒度的硅砂。</span><span style="font-size:14pt;"></span> </p> <p style="text-indent:21pt;"> <span style="font-size:14pt;">2</span><span style="font-size:14pt;font-family:宋体;">、碳素</span><span style="font-size:14pt;"> </span><span style="font-size:14pt;font-family:宋体;">提供生成</span><span style="font-size:14pt;">SiC</span><span style="font-size:14pt;font-family:宋体;">反应的碳，常用石油焦炭、沥青焦炭及低灰分的无烟煤。</span><span style="font-size:14pt;"></span> </p> <p style="text-indent:21pt;"> <span style="font-size:14pt;">3</span><span style="font-size:14pt;font-family:宋体;">、木粉</span><span style="font-size:14pt;"> </span><span style="font-size:14pt;font-family:宋体;">（硬木屑）为了增加透气性、扩大反应区。</span><span style="font-size:14pt;"></span> </p> <span style="font-size:14pt;font-family:'Times New Roman';">4</span><span style="font-size:14pt;font-family:宋体;">、**</span><span style="font-size:14pt;font-family:'Times New Roman';"> </span><span style="font-size:14pt;font-family:宋体;">含量在</span><span style="font-size:14pt;font-family:'Times New Roman';">97%~99%</span><span style="font-size:14pt;font-family:宋体;">，粒度小于</span><span style="font-size:14pt;font-family:'Times New Roman';">2mm</span><span style="font-size:14pt;font-family:'Times New Roman';">.</span><span style="font-size:14pt;font-family:宋体;">。在冶炼绿色</span><span style="font-size:14pt;font-family:'Times New Roman';">SiC</span><span style="font-size:14pt;font-family:宋体;">时加入可加速排除杂质，起净化剂和催化作用。冶炼黑色</span><span style="font-size:14pt;font-family:'Times New Roman';">SiC</span><span style="font-size:14pt;font-family:宋体;">时不使用</span>