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Zircon-pyrophyllite brick is larger than 1700 refractoriness, high temperatures without shrinkage micro expansion Has good thermal shock resistance and can withstand the impact of the steel slag and metal, and have a stronger ability to resist creep Its micro expansion to improve the integrity of the masonry and reduced slag along the erosion of masonry brick joints At the same time, in the high temperature in use process can be in half silica brick surface viscosity of glaze material, preventing slag to penetrate into the brick Widely used in hot metal ladle and refining ladles permanent lining.