Jiaozuo Beixing Refractory Co.,Ltd.

Nitride bonded silicon carbide brick for aluminum refinerydescriptionthe product is made from high quality silicon carbide, silica powder, metal si, by vacuum nitride sintering at high temperature. Basically is used as the hotface materials in the sidewalls of aluminium reduction cells. they have significant oxidation resistance, cryolite resistance, thermal conductivity and good dimensional tolerances. the size&properties of the product can be customized as per your application, &special technical requirement. generally, the product has following advantages of:a.low thermal conductivityb.low thermal expansionc.excellent oxidation resistance d.excellent corrosion resistancee.long durationapplication: a.good lining refractory materials in aluminum electrolysis cell, furnace, kiln, incinerators, and reactors. b.as tuyere combined bricks or other combined blocks in iron&steel industry. c.used as kiln shed board, beams, slide push board, sagger. package:normally, 1100kg or1200kg into a non-fumigated crate, each piece is isolated by good padpaper, bubble film, or foam board, etc. note:all of our export package materials confirms to ippc standard, with an official mark on them. parameter: item unit datasic% 72si3n4 % 21fe2o3 % 0.5density gcm3 2.65-2.70apparent porosity % 18modulus of rupture mpa(at ambient temperature) 42mpa(1400) 45compressive strength mpa 150thermal conductivity1250 wm.k 15-18acid-proof alkaline excellentsize difference 0-100mm 1.0101-300mm 1.5301-500mm 2.0501mm above 0.5%.