Several classifications of njerwa zotsutsa zipangizo

According to the different components of refractory bricks, they can be divided into five categories, namely: silica-alumina refractory bricks, alkaline refractory bricks, carbon-containing refractory bricks, zirconium-containing refractory bricks, and heat-insulating refractory bricks. Any stove is not just built with one kind of refractory bricks, it needs a combination of different refractory bricks.