高铝细粉是高铝矾土熟料经过粉碎、除铁、雷蒙等工序加工成的粉状料,通常规格为100目,150目,200目,325目规格也可按客户要求加工。
高铝细粉是制作铸造涂料、耐火砖、浇注料、铁沟料、耐火炉料、高级耐火材料及其它不定型耐火材料的主要原料。
铝矾土熟料按理化指标分为:GAL50,GAL60,GAL70,GAL80,GAL85,GAL88。
铝矾土熟料理化指标
牌号 | 化学组成% | 体积密度 g/cm3 | 吸水率 % | ||||
AL2O3 | Fe2O3 | Ti02 | CaO+MgO | K20+Na20 | |||
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 |
导热系数 | 0.2(℃) | 耐火温度 | 1800(℃) |
耐压强度 | 50(Mpa) | 规格 | 200目,325目(mm) |