Items | Unit | Standard(GB/T1768-2003) |
Appearance | | White. Free flowing powder, free from foreign materials |
Ca Exchange Capacity | mg CaCO3/g-z | 295 Min |
Ca Exchange Rate | mg CaCO3/g | 2 minutes: 175 Min 10minutes: 190 Min |
PH (1% solution) | | 10.5-11.5 |
Particle Size | | Mean particle size (D50): 2~4μm D10: 1μm Min D90: 10μm Max |
Whiteness | % | 96 Min |
Loss on Ignition | % | 22 Max |
Bulk density | g/cm3 | 0.35-0.45 |