| Subject | Unit | Standard Value | Executive Standards |
| Appearance | / | White Powder | Visual Inspection |
| Whiteness | % | >90 | GB/T23774 |
| Particle Size | D 50 /um | 3.5-4 | GB/T19077.1 |
| Magnesium Hydroxide | % | ≥92 | HG/T3607--2007 |
| Calcium Oxide | % | ≤2 | HG/T3607--2007 |
| Surface Moisture | % | <0.5 | HG/T3607--2007 |
| Loss on ignition (850 ºC ) | % | >30 | HG/T3607--2007 |