Si3N4 Bonded silicon carbide brick is a fresh type of refractory content, in which Si3N4 exists between SiC grains in needle-shaped or fibrous crystalline form. Mullite bonded silicon carbide brick is made of high purity Uncooked materials, with industrial silicon carbide as the principle Uncooked material through in situ generation http://kylerzpqy772.image-perth.org/silicon-carbide-in-new-electricity-era-applications-and-destiny-tendencies