高鋁骨料:是高鋁礬土熟料經過粉碎、篩分、除鐵等工序加工成的顆粒料;
高鋁骨料應用范圍:是制作耐火材料、耐火磚、澆注料、噴補料、耐火爐料及其它 不定型耐火材料的主要原料;
高鋁礬土熟料按理化指標可分為:GAL50,GAL60,GAL70,GAL80,GAL85,GAL88。
高鋁骨料性能指標
牌號 | AL2O3 | Fe2O3 | Ti02 | CaO+MgO | K20+Na20 | 體積密度 g/cm3 | 吸水率 % |
---|---|---|---|---|---|---|---|
GAL-88 | >=88 | <=1.5 | <=4.0 | <=0.4 | <=0.4 | >=3.15 | <=4 |
GAL-85 | >=85 | <=1.8 | <=4.0 | <=0.4 | <=0.4 | >=3.10 | <=4 |
GAL-80 | >=80 | <=2.0 | <=4.0 | <=0.5 | <=0.5 | >=2.90 | <=5 |
GAL-70 | >70--80 | <=2.0 | - | <=0.6 | <=0.6 | >=2.75 | <=5 |
GAL-60 | >60--70 | <=2.0 | - | <=0.6 | <=0.6 | >=2.65 | <=6 |
GAL-50 | >50--60 | <=2.5 | - | <=0.6 | <=0.6 | >=2.45 | <=6 |