| 测试项目 | 范围值 | ||
| 碳酸钙 | (CaCO3) | 98.00% | Min |
| 氧化铁 | (Fe2O3) | 0.30% | Max |
| 氧化铝 | (Al2O3) | 0.20% | Max |
| 氧化镁 | (MgO ) | 0.16% | Max |
| 酸不溶物 | (HCl insolublematter) | 0.25% | Max |
| PH 5%混合液 | (pH 5% Solution) | 9±0.5 | |
物理分析(PhysicalAnalysis):
白色度 | (Whiteness) | 96.00-98.0GE | |
DOP吸油量(10g) | (DOP absorption(10g)) | 0.36±0.05ml/g | |
水份 | (Moisture) | 0.35% | Max |
真比重 | (Spceific Gravity) | 2.5~2.8 | |
比表面积 | (Surface area) | 23000±1000cm2/g |
粒度分布(particleDistribuion):
325 mesh残量 | (Residue on 325 mesh) | 0.0001% | Max |
2u粒径含量 | (2u Particle size) | 75±4% | |
50% 通过粒径 | (d50% Pass Particlesize) | 1.00~1.20u | |
97% 通过粒径 | (d97% Pass Particlesize) | 5～7u | |
通过粒径 | (d Pass Particlesize) | 13u | Max |
