High Alumina Special Refractory Brick

Basic InfoRefractoriness (℃): 1770< Refractoriness< 2000Type: Refractory MaterialMaterial: Alumina BlockFeature: Long Time MaterialsShape: BrickStandard Size: 230*114*65mmHS Code: 69022000Product Descriptionhigh alumina special refractory brick for cement industyProduct DescriptionHigh alumina bricks for general uses are mainly made from super quality Bauxite, bonding chamotte and additives, being high pressure pressed and sintered in high temperature. Application:They were widely used in all parts of furnace lining of metallurgic, petroleum, construction materials, machinery and militaries, etc. Features and advantages:1. The dimensions are more exactly.2. Low iron content and impurities3. Good thermal stability;4. High refractoriness,5. anti alkaline /acid erosions,6. Mechanical and chemical properties are very good.7. Strong thermal shock resistance. Technical IndexItemHigh Alumina Brick DKS-36DKL-36DKS-38DKL-38Al2O3≥48≥55≥65≥75Refractoriness ºC≥1750≥1770≥1790≥1790Refractoriness under load ºC≥1420≥1470≥1500≥1520Permanent liner change%0--0.20.1--0.4(1500ºC×2h)Apparent Porosity %≤22≤22≤23≤23Cold crushing strength Mpa≥39.2≥44.1≥49.0≥53.9Bulk Density g/cm32.25-2.6g/cm3 Common sizes:Straight typeArch typeWedge typeL×W×H (mm)230×114×65230×114×75230×114×32220×110×60220×110×50220×110×40220×110×30L×W×H/h (mm)230×114×65/55230×114×65/45230×114×65/59220×110×65/50220×110×75/65220×110×60/40L×W×H/h (mm)230×114×65/55230×114×65/45220×110×75/65220×110×60/40Other sizes according to customer requirements 

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