Taphole Mrx is a functional refractory material that used for the blast furnace. It is just like a valve in the blast furnace. Taphole was opened when molten iron poured, and block up after it. At the same time, must insure its sufficient time.
Characteristic of GDT- 8, GDT-11:
Good conglutination. Taphole Mrx that throw into the taphole must co
