High Acid Resistance Fire Resistant SK34 SK36 SK38 Fire Clay High Alumina Refractory Fire Brick for hot blast stove

Physical and chemical indexes:

Item Unit Index
Bulk density g/cm2 2.31-2.4
Water absorption % <0.5
Acid resistance % 99.8
Flexural strength Mpa 42
Crushing stength Mpa 120
Thermal stability 130°c-20°c No crackle after 3 times