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。 Extra High-quality Grits (four hundred �?600+): Further great grit sandpaper is used for ultra-easy finishes and polishing sensitive materials. It is commonly used in woodworking assignments where a higher standard of precision is necessary. Unquestionably! Sandpaper is flexible and will be used for different... https://www.facebook.com/permalink.php?story_fbid=pfbid02b5DtPfmMAWyoGHj5e3rWZvTneQdHUuB9epjbQZFbDVq5cYZrN6FVWm2cekqd63gal&id=61562415773754&__cft__[0]=AZVEXCJOQKNJynE7VKA5IZDvB3y-frohZ4IporVbhUzOjEhwSuwA5kmARL0w5KnDyRfcRyBD60-yvOGCll0cGLHwULaDKT9xpANoWdtkcWAq_kCISBDK1oVVXGTpI7cFdg7VJDe_2nlzRg1-uRxX4fdHKvEnsZ_802orhGD5gEY8JFlLNfxhx3ba6WLAcTAkY0wISvHsZsC3wAEhtrsaNVhm&__tn__=%2CO%2CP-R