... ,Best Price and long working ability Brother CERAMIC FIBER BOARD is made of high purity alumina fibrous and alumina powder,to ... atmosphere ,etc.Producing Technology:All kinds of ceramic fiber boards ,adopting corresponding blowing fiber (COM,ST,HA,HP,HZ ) as ... door, kiln car and dilatation joint etc insulation material Tidy surface Glass kiln insulation High temperature laboratory Ceramic Fiber Board