选用菱镁石经高温竖窑烧结而成。MgO含量高,在90%-93%之间,是生产普通镁砖和不定型耐火材料的原料。
It uses magnesite ore as raw material and sisintered in high temperature in shaft kiln. With high MgO content(90%-93%), it can be applied to produce common magnesia bricks and un-shaped refractory materials..
指标/牌号 | DBM92 | DBM91 | DBM90 |
---|---|---|---|
MgO %≥ | 92 | 91 | 90 |
SiO2%≤ | 4.8 | 5 | 5.2 |
CaO %≤ | 2.3 | 2.3 | 2.5 |
Fe2O3%≤ | 0.8 | 0.8 | 1 |
Al2O3%≤ | 0.5 | 0.5 | 0.5 |
LOI %≤ | 0.3 | 0.3 | 0.5 |
B.D.≥(g/cm³) | 3.15 | 3.15 | 3.15 |