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  • Brief Introduction

    Holloware 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.



                    Material  Properties HTN-40 HTN-42 HTN-60 HTN-70
    Refractoriness ℃ ≥1710 ≥1750 ≥1750 ≥1780
    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




    Bottom Pouring Brick