| 检查项目Items | 指 标 范 围Specified |
| 氢氧化镁含量ContentMg(OH)2 % | ≥99 |
| 激光粒径（D50）Laser particle size(D50) μm | 0.5-2.0 |
| 白度White | ≥98 |
| 水分 Water % | ＜0.5 |
| 脱水温度Dehydration temperature (start) ℃ | 350 |
| 铁Fe % | ≤0.005 |
| 氧化钙含量CaO% | ＜0.05 |
| 比重Proportion g/cm | 2.36 |
| 灼烧矢量Loss on ignition % | 31-33 |
| 烘干失量 Loss on drying(120℃,1Hr) | 0.05 |
| 氯化物Cl % | ≤0.1 |
| 盐酸不溶物Acid-insoluble substance % | ≤0.1 |
| 吸热量Amount heat adsorbed KG/G | 1.29 |
| 莫氏硬度Mo hs hardness | 2.4 |
15140474120 VX
