Silicon Carbide Brick

We are offering silicon carbide brick.
Item si3n4 bonded sic brick sialon bonded sic brick
inset brick,lining brick and tuyere combined brick tuyere sleeve
chemical composition,%
sic
72 70 71
si3n4 20 20 5.2(n)
fe2o3 0.7 0.7 0.7
bulk density,gcm3 2.67 2.55 2.68
apparent porosity,% 16 20 15
ccs,mpa 160 120 160
mor,mpa ambient temp. 40 30 45
1400℃×0.5h 45 35 45
refractoriness under load,℃,(0.2mpa,0.6%) 1700 1700 1700
thermal shock resistance,cycle,(1100℃,water quenching) 30 30 30
thermal expansion coefficient,10-6·k-1 4.5(20-1000℃) -- 5.0
thermal conductixity,w(m · k) 300℃ 35 -- 29
700℃ 24 -- 21
1000℃ 20 -- 16.5
1300℃ 15 -- 15(1200℃)
luoyang institude of refractories research(lirr), a wholly owned subsidiary of china iron&steel industry&trade group corporation, is a high-tech enterprise that has passed the iso9001 international quality system certification.with nearly 50 years' development,lirr has become a base of research, manufacture and services with significant influences at home and abroad.it has undertaken more than 260 research projects of the state, ministerial or provincial level and made over 550 achievements in the research since its setup 50 years ago.
the national engineering research center for refractories, the national quality inspection & supervision center for refractories and refractory authorized leb of state i&e commodity administration are all set in lirr.