Electronic applications of silicon carbide such as light-emitting diodes (LEDs) and detectors in early radios ended up initial shown close to 1907. SiC is used in semiconductor electronics devices that run at large temperatures or high voltages, or both equally. Minimum purchase for black silicon carbide is a 25lb box. https://www.facebook.com/permalink.php?story_fbid=pfbid02qy5RYwv9mRHSFYwncPbxRsdtEco9SbCfbnAheuxAs1drJAu8uwWJX23DPnghtnrcl&id=61560512640678&__cft__[0]=AZVECecDFdwp9WLUavNF_NqeonZijvhHENjG_jRXUkIllE4rZhtTITKA7DzRPFiCrjUDolI-fwlu6SlV1ZocBH1QSpBAIUaos6uRPM6WHrpvENB0AOmAeSmmRHi6IjeC61mKPY3WIjRCHG32rBXdK1FipgkW4L5HdVUDxJaypqhtJVInTZ65MpOC8-z_2ill-etiShQwY4Hz3k3jBopbGrBj&__tn__=%2CO%2CP-R