Refractory Cenosphere

649 refractory cenosphere products are offered for sale by suppliers on Alibaba.com, of which refractory accounts for 91%. A wide variety of refractory cenosphere options are available to you, such as moulding, cutting and bending.You can also choose from alumina block, silicon carbide and aluminum refractory cenosphere,As well as from black, gray refractory cenosphere, and whether refractory cenosphere is block, pellet, or pipe.