Refractory brick of mullite quality

Refractory brick has a good performance in high temperature and good thermal shock resistance, which is often used for plants for cracking euphoric acid and superstructure in fibre glass furnaces.ItemMullite refractories M72Mullite and corundum refractories K80Special mullite refractories Ms80Al2O3 %≥72≥78≥80Fe2O3 %≤0.8≤1.0≤0.5Bulk density, g/cm3≥2.55≥2.65≥2.9Apparent porosity, %≤17≤18≤19Cold crushing strength, MPa≥80≥80≥50Thermal shock resistanceGoodGoodBetterRefractoriness under load, -----≤17001700Thermal expansion coefficient (1000),%-----0.60.6