... : silicon carbide 2.Purpose:used furnace 3.High perfermance High Graphite RingGongtao company mainly produce Graphite items such as plate,tube, widely used ... metal ,sealing parts1.85>15804055700254.611.5Various continuous casting graphite mould,spaceflight,medical treatment,melting of valuable metal,glass and ... casting,plastic,forging and pressing mold electric spark roughly High Graphite Ring