The product has good alkali steam resistance thermal shock resistance it is mainly applied to
flame space of glass fumace and also used in float glass fumace ZM-6 is used in Oxyfuel
bumer brick of alkali free glass melting fumace top crown of ceramic fumace and high
temperature and large thermal stress parts of industrial fumace.
Physical and chemical index of Zirconium mullite brick | ||||
Properties | Products | |||
ZM-20 | ZM-16 | ZM-12 | ||
Chemical composition(%) | ZrO2 | 20 | 16 | 12 |
Fe2O3 | 0.1 | 0.1 | 0.1 | |
SiO2 | / | / | / | |
Physical Properties | Volum density(g/cm3) | 3.00 | 2.90 | 2.90 |
Apparent porosity(%) | 10 | 11 | 11 | |
Cold crushing strength(MPa) | 100 | 100 | 100 | |
Refratoriness under load (T0.6,℃) | 1700 | 1700 | 1700 | |
Thermal shock resistance | excellent | excellent | excellent |