Product features: the product has the characteristics of fast sintering, good air permeability, roll up protection, erosion resistance, easy operation, improve the service life of the air permeability brick, improve the technical performance of the air permeability brick, reduce the production cost.

Customer case: The 100T refining furnace of Anshan Iron and Steel No. 1 Steel Plant adopts FL and VD refining methods. The service life of the breathable brick is 4 times, and the product is repaired once (with 4~6kg material). The service life of the breathable brick is increased by 2.8 times on average, and the production cost is greatly reduced and the quality of steel is significantly improved.