Lavacast 1220 LW
Lavacast 1220 LW is an Aluminum silicate insulating material is a kind of refractory material with very Low aluminum, and its main components are Al2O3 (30%)and SiO2(35%). It is made by high-temperature (1220 °C) sintering and high-energy grinding. It has high service temperature, strength, and density, and is mainly used in high-demand refractory structures.