炭化ケイ素のダイヤモンドとシリコンの中間的な性質はこの構造によるものである。 When Using sandpaper, start off with a coarser grit to eliminate material swiftly, then swap to some finer grit for your smoother finish. Constantly sand in the direction in the Wooden grain for very best effects. Silicon carbide was discovered from the American inventor Edward G. Acheson in 1891. https://www.pinterest.com/pin/1001488035878253519/