Product Catalog

Prodcut Name:Fused Mullite

Product Description

Fused Mullite is produced by the electric furnace fusion of alumina and high purity silica. The fused mullite has low conductivity, excellent thermal shock resistance, and excellent resistance to deformation under load. It is used in applications such as refractories for glass and steel industries, as kiln furniture, in investment casting as shell building materials, in spark plug bodies, and many other applications.

Chemical Composition % FM-70 FM-75
Al2O3 70-74 74-77
SiO2 25-28 22-25
Fe2O3 0.1 max 0.1 max
K2O+Na2O 0.5 max 0.5 max
CaO 0.3 max 0.3 max
Mullite phrase content (%) 95 Min
Glass phase content (%) 5 Max
Linear expansion coefficient (1/℃)  
Ture density (g/cm3) 3.2 min
Refractoriess (℃) 1840 min
Grain size of section sand (mm) 0-1/1-3/3-5

Grain Size Availibility: 0-1mm/1-3mm/3-5mm/5-8mm, -180mesh, -200mesh, -325mesh