1, belongs to the weak acid refractory material, acid slag has a certain corrosion resistance, wide use, is also the largest production of a class of refractory material.

2, the price is cheap, because it takes fireclay as the main raw material, the production cost will be much lower than other materials of firebrick.

3, low refractoriness can be used to the high-temperature furnace does not belong to the high temperature zone, or other unimportant parts.