Brief IntroductionHolloware Casting Bricks/Bottom Pouring brick
AMR offers a complete range of high quality dry pressed Holloware casting bricks/Bottom pouring bricks, ranging from 38% to 70% in alumina content. Firing is accomplished in multi-stage kilns to ensure even and accurate burning and consistent properties. Strict quality control standards control brick appearance and inherent variables such as strength, density and porosity.
|Apparent porosity %||17-25||≤18||27||27|
|Cold crushing strength Mpa||≥39.2||≥20||≥19.6|
|Permanent linear change %||1400℃x2h+0.1~-0.3||1400℃x2h0~-0.3||1500℃x2h+0.2~-0.3||1500℃x2h+0.2~-0.3|
|Chemical properties||Al2O3 %||≥40||≥42||≥60||≥68|