How are qualitative and qualitative refractories understood?
Unshaped refractory products, referred to as bulk loading, are made at the place of use for the required shapes and for heat treatment, such as castable, ramming, projection, spray, refractory clay, etc..
Shaped refractory products, such as fired brick, fused brick (Rong Zhuzhuan), refractory insulation bricks, as well as experimental and industrial crucibles, utensils and other special products.
