Silica mortar is mainly used for laying and repair of coke oven, hot blast stove, glass melting furnace, melting furnace and other masonry of high quality silica bricks industrial furnace. Refractory mortar is also as known as joint filler, it is composed of a certain particle ratio of refractory powder, binder and additive, pour water or liquid binder to tune into a paste. Silica mortar is an important part of refractory mortar which is as Cab-O-sil or adding some ganister sand as main raw materials, the binder adopts mild-clay or chemical bond.