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Ladle castables using with corundum aluminum magnesia spinel and fused magnesite as raw materials, which is made of micro-power technology and additive agent, are characterized by good construction function, high strength, good volume stability, erosion and washout resistance and good thermal shock resistance. The products are used for large and middle ladle lining and also can be made into casting brick.
Physical and chemical indexes
Brand
GBJ-1
GBJ-2
GBJ-3
Al2O3 + MgO/%,≥
90
88
85
Bulk density/ g/cm3, ≥
2.90
2.85
2.80
Crushing strength/Mpa, ≥
110℃x 24h
30
25
1550℃x 3h
70
60
Firing linear change/%
-0.2~+1.0
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