Porous Type Purge Plug，Housing Block
Porous Type Purge Plug，Housing Block
In order to increase resistance ability to slag and liquid steel penetration, Cr2O3 or chromium corundum is always added into
corundum spinel. Cr2O3 has the same crystal structure with a-Al2O3, the adding of Cr2O3 can effectively improve the slag resistance
ability of materials, also can improve the gas channel blocking condition caused by liquid steel penetration.
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