磷酸铝耐磨砖
Phosphate abrasive bricks
磷酸铝耐磨砖 以高铝矾土熟料、刚玉、莫来石为主要原材料,采用磷酸盐化学结合工艺。该产品具有以下特点:耐压强度高、气孔率低、抗热震稳定性好、耐磨性好、抗剥落能力强。
Phosphate abrasive brick uses high bauxite clinker,corundum and mullite as the main raw materials, and adopts phosphate chemical bonding technology.The product has the following characteristics:high compressive strength, low porosity,good thermal shock stability, good wear resistance strong anti-peeling ability
项目
Item
磷酸铝耐磨砖
Phosphate abrasive bricks
PA-80 PA-75 PA-70 PA-65 PA-60 PA-55
Al₂O₃/(%) ≥ 80 75 70 65 60 55
体积密度/(g/cm³)/(%) ≥ 3.0 2.9 2.8 2.7 2.6 2.5
显气孔率/(%)≤ 12 14 15 16 17 18
常温耐压强度/(Mpa)≥ 150 120 100 90 80 70
荷重软化温度(T0.6)/(℃)≥ 1550 1500 1480 1450 1400 1350
抗热震性(1100℃~水冷)/(次)≥ 10 10 10 10 10 10
导热系数(1000℃)(w/m.k) / 2.0 2.0 2.0 2.0 2.0
常温耐磨性/(cm³) 5 5 5 5 5 5