Features: The product has high purity dense(better thermal conductivity),high load soft,high tridymite content; ow true density,low expansion Inflation,low creep,low residual quartz content and other characteristics;
性能 Performance | 指标Index | 使用部位Application |
SiO₂ (%) ≥ | 94 | |
显气孔率(%) ≤Apparent Porosity | 22/24 | 炉底, 炉辟砖(其它部位用砖及手工成形砖)Bottom,the furnace wall tiles (othe r parts of the hand- molded bricks and tiles) |
0.2 MPa 荷 重 软 化 开 始 温 度 ( ℃ ) ≥0.2MPa Refractoriness Under Load | 1650 | |
重烧线变化率(1450℃×3h,%)Refiring linear change | +0.2~0 | |
常 温 耐压 强 度 (MPa) ≥Cold Crushing Strength | 29(19) | Bottom, furnace wall(other parts of the hand- molded bricks and tiles) |
体积密度(g/cm³) ≥Bulk Density | 2.35 | |
热膨胀率(1000℃,%) ≤Thermal expansion | 1.30 | |
耐火度(℃) ≥Refractoriness | 1690 |