Available standard MA-spinel bricks differ mainly in the type of magnesia and in the amount and type of their alumina carrier (sintered and fused MA-spinel, calc. alumina, white fused alumina, etc.

• 目前各种标准的镁铝尖晶石砖主要在氧化镁的数量、种类和它们铝载体的种类(烧结和电熔镁尖晶石、钙，氧化铝，白电熔等)方面有很大的不同。