铝矾土是由铝矾土生料经过经挑选、高温焙烧、粉碎、分筛等工艺加工而成的优质原料，具有含铝量高、杂质含量低、结构均匀、硬度高、热膨胀系数小、耐火度高、热化学性能稳定等特点，其熟料可以应用到各种高铝砖、冶金工业、铸造涂料、焊剂材料、防腐材料、陶瓷地板砖等行业。

Bauxite is a high-quality raw material made of bauxite raw material and processed by selection, high temperature calcination, crushing, sieving and other processes, which has the characteristics of high aluminum content, low impurity content, excellent uniformity of structure, high hardness, small thermal expansion coefficient, high fire resistance and stable thermochemical properties, and its clinker can be applied to all kinds of high aluminum brick, metallurgical industry, casting coating flux materials, anticorrosive materials, ceramic floor tiles and other industries.
 
理化指标：Physical and Chemical indexes

牌号 Brand	主要化学成分(%) Chemical composition(%)		体积密度（g/cm³） Bulk density（g/cm³）	耐火度（℃） Fire Resistance（℃）
	Al2O3	Fe2O3
85铝矾土 85 Bauxite	≥ 85	≤ 2.0	≥3.0	1790
80铝矾土 80 Bauxite	≥ 80	≤ 2.15	≥2.85	1790
75铝矾土 75 Bauxite	≥ 75	≤ 2.2	≥2.70	1770
70铝矾土 70 Bauxite	≥ 70	≤ 2.3	≥2.50	1770
65铝矾土 65 Bauxite	≥ 65	≤ 2.45	≥2.50	1770