白刚玉段砂 白刚玉细粉
白刚玉是以优质铝氧化粉为原料,经电熔提炼结晶而成, 纯度高、自锐性好、耐酸碱腐蚀、耐高温、热态性能稳定它硬度略高于棕刚玉,韧性稍低,纯度高、自锐性好、磨削能力强、发热量小、效率高、耐酸碱腐蚀、耐高温热稳定性好。
白刚玉段砂 0-1mm 1-3mm 3-5mm 5-8mm
Al2O3 | Fe2O3 | Na2O | MgO | K2O | CaO | SiO2 |
99.50% | ≤0.05% | ≤0.26% | ≤0.01% | ≤0.02% | ≤0.04% | ≤0.1% |
白刚玉细粉100#-0 200#-0 325#/320#-0
Al2O3 | Fe2O3 | Na2O | MgO | K2O | CaO | SiO2 |
≥98.5% | ≤0.20% | ≤0.40% | ≤0.02% | ≤0.03% | ≤0.05% | ≤0.10% |
物理特性
莫氏硬度 | 比重 | 堆积密度 | PH值 | 耐火度 |
9.0 | ≥3.90g/cm3 | 1.53-1.99g/cm3 | 7.0 | 2100℃ |
粒度组成标准GB/T 2479-2008
粒度 | 单位 | 保证值 | 典型值 | |||||||
8-5mm | mm | +8.00 | -4.00 | +9.52 | +8.00 | +6.70 | +5.60 | +4.75 | -4.00 | - |
% | 5 | 5 | 0 | 0-5 | 35-55 | 75-95 | 90-100 | 0-5 | ||
6-3mm | mm | +5.60 | -2.80 | +8.00 | +6.70 | +5.60 | +4.75 | +3.35 | +2.80 | -2.80 |
% | ≤40 | ≤10 | 0 | 0-5 | 15-35 | 40-65 | 75-95 | 90-100 | 0-10 | |
5-3mm | mm | +4.75 | -2.80 | +5.6 | +4.75 | +3.35 | +2.80 | -2.80 | ||
% | ≤10 | ≤10 | 0 | 0-10 | 60-80 | 90-100 | 0-10 | |||
3-1mm | mm | +2.80 | -1.0 | +4.75 | +3.35 | +2.80 | +2.00 | +1.18 | +1.00 | -1.00 |
% | ≤10 | ≤10 | 0 | 0-5 | 1-10 | 30-50 | 70-90 | 90-100 | 0-10 | |
1-0mm | mm | +1.00 | -0.212 | +1.18 | +1.00 | +0.50 | +0.212 | -0.212 | ||
% | ≤10 | ≤35 | 0 | 0-5 | 30-50 | 65-85 | 0-35 | |||
100#-0 | mm | +0.15 | - | +0.200 | +0.150 | -0.150 | ||||
% | ≤10 | - | 0 | 0-10 | 90-100 | |||||
200#-0 | mm | +0.075 | - | +0.100 | +0.075 | -0.075 | ||||
% | ≤10 | - | 0 | 0-10 | 90-100 | |||||
325# | mm | +0.045 | - | +0.075 | +0.045 | -0.045 | ||||
% | ≤10 | - | 0 | 0-10 | 90-100 |
包装:25公斤袋装/散吨包
主要用途:不定型耐火材料 ,定型耐火材料,浇注料, 钢包用耐火材料 , 高炉热风炉用系列组合砖 , 高铝砖 , 含碳耐材 , 莫来石砖 , 炮泥 , 喷枪 , 散装料 , 陶瓷杯 , 粘土砖 , 组合砖 ,刚玉制品,陶瓷过滤板等