"Refractory ramming material" is a kind of amorphous refractory material with certain plasticity and high strength. It is composed of refractory aggregate, refractory powder, binder and admixture in proportion. It is usually constructed by cold ramming or hot ramming. The materials of ramming materials are silica, clay, high aluminum, corundum, carbon, magnesium, magnesium chromium, dolomite, silicon carbide, zirconium, etc., which are used in the medium and high temperature parts of industrial furnace.

Because the scope of current industry standards or industry standards is too general, most companies have developed their own corporate standards, QD-6 ramming material should be the company's own standard number, in order to determine its use in that industry. If you do not know the production unit, you can basically determine what nature it belongs to and where it can probably be used through chemical analysis and composition testing.