... 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 product need my help ... +0.1~ -0.50.2Mpa refractoriness under load, °C≥1350 Refractory brick (Sk34)