High alimina cement is a special kind of cement made mostly from aluminum oxide. It very strong and can handle high temps, which make it perfect for lining kilns. Kilns are big ovens use to make bricks and ceremics. When use high alimina cement for kiln lining, it help protect from heat and chems damage. Greatsun Aopeng know alot about this cement and how it work in kilns. We provide this product to help busineses keep their kilns run smooth and safe. For certain applications, such as lining furnaces, you might also consider our Calcined Aluminas.