Mullite Market: Introduction Mullite is also known as porcelainite is chemically denoted as 3Al2O3 .2SiO2, which is an orthorhombic silicate mineral of aluminum. Mullite is resistant to corrosion and heat and is often used as refractory. The first known use of mullite was in 1924 as a refractory and was discovered in Scotland. Traditionally Mullite was made by clay-alumina mixture […]