Silicon carbide sandpaper is usually used in woodworking for sanding and ending Wooden surfaces. It is perfect for getting rid of previous finishes, smoothing tough surfaces, and getting ready wood for staining or portray. 纯的碳化硅是无色的，工业用碳化硅由于含有铁等杂质而呈现棕色至黑色。晶体上彩虹般的光泽则是因为其表面产生的二氧化硅钝化层所致。 CoolSiC�?MOSFET in servo drive applicat... https://silicon-carbide-radiant-t49269.webbuzzfeed.com/30455242/5-tips-about-silicon-carbide-usage-you-can-use-today