high Iron calcium Sand

It is a kind of granular and powder material with high fluidity which is made of refractory material add some amount of binder. Compared with other unshaped refractory materials, the castables has more binder and moisture content, better fluidity. The materials and binder can be chosen according to the usage conditions. And the castables can not only be directly poured into the lining of the kilns, but also be made into precast block in the way of pouring or vibrating.