氧化镁砖
1.Available standard MA-spinel bricks differ mainly in the type of magnesia and in the amount and type of their alumina carrier (sintered and fused MA-spinel， calc. alumina， white fused alumina， etc.
2.Abstract: This article is about two series of borate and phosphate comprising seven directions.The experiment result shows that both of the two gl ass antioxidants can reduce apparent porosity，raise oxidation resistance and th e crushing strenth after fire，but lower refractoriness under load.Phosphate glas s is superior to borate in Refractoriness under load.Which c an attain over 1600 ℃;so the phosphate glass is a d esirable antioxidant.
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4.Microstructure and redox-reaction in magnesia-chrome brick used in tunnel kiln
