CLAY BRICK---ZGN42

Physical Properties:

Classification Temperature, C 1750

Apparent Porosity, % ≤ 16

Desity, g/cm3 2.3

C. C. R. Strength, MPa ≥ 58.8

Hot Load Strength Deform(0.2MPa), C 1450

Reheating Linear Change (1450C, 2 h), % 0 ~ -0.2

Chemical analysis:
Al2O3, % 42-45

Fe2O3, % ≤ 1.6

SiO2, % 52-55