... :SK34 fireclay brick is widely used in all most kinds of metallurgic furnace, kiln, oven, stove and heating devices.Our refractory products include ... fireclay, magnesia, high alumina, silica ,all kinds of unshaped refractory products ,etc, if you have any ... +0.1~ -0.50.2Mpa refractoriness under load, °C≥1350 Refractory brick (Sk34)