Refractory Cement

Model
material andalusite mullite magnesite chrome alumina-magnesite alumina-zirconium
type ghd gmd mcd amd azd
chemical composition (%) al2o3 50 70 ã¢ï¿½ï¿½ 80 90
sio2 35 20 4 ã¢ï¿½ï¿½ ã¢ï¿½ï¿½
mgo ã¢ï¿½ï¿½ ã¢ï¿½ï¿½ 85 12 ã¢ï¿½ï¿½
fe2o3 0.3 0.3 0.5 0.3 zro23
cold crushing strength (mpa) 1250ã¢ï¿½ï¿½ã��3h
after firing at 15 12 15 20 18
principal crystalline phase 1250ã¢ï¿½ï¿½ã��3h
after firing at mullite phase mullite phase spinel phase spinel phase corundum phase
linear changing after burnt (%) 1250ã¢ï¿½ï¿½ã��3h
after firing at 0ã¯â½ï¿½+0.6 0ã¯â½ï¿½+0.5 0ã¯â½ï¿½+0.9 0ã¯â½ï¿½+0.8 0ã¯â½ï¿½+0.3
applied metal green, purple. Brass and copper alloy cupronickel and higher metal iron and nickel alloys special copper nickel, zirconium, magnesium
method of construction jolt or ramming
application induction melting furnace for nonferrous metal and ferrous metal
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