On account of its high Al₂O�?written content and minimal impurity degrees, it outperforms fireclay bricks in this factor The most typical technique to classify high alumina bricks is by their alumina content. Here’s a simplified grade reference: 2. For your refractory brick with the Al2O3 material beneath 70%, the refractoriness https://polycarboxylatesuperplast05825.jaiblogs.com/66579848/not-known-facts-about-70-alumina-fire-brick