Micro-expansion high alumina brick
The micro-expansion high alumina brick is made mainly from special grade bauxite,added some high temperatured expansion agent,sintered under high temperature It features good bulk.stability,high refractoriness under load,low porosity,resistance to corrosion and flaking.It is widely used ladle.Duringthe service the product expands lowly,reduces orrmoves the joints,improves resistance to corrosion and flaking,prolongs the service time.