Specifications: 1) Type AA: a) Calcium binding capacity (mgCaCO3/g-z): 285 (min.) b) PH : 10.70 - 11.30 c) Drying loss at 800oC (for 30min): 18 - 22% d) Average particle size: 2 - 4μm e) Whiteness: 96 (min.) 2) Type BB: a) Calcium binding capacity (mgCaCO3/g-z): 320 - 360 b) PH (25oC, 1% solution): 11.30% (max.) c) Ignition loss (650±10oC, 3h): 20% (max.) d) Average particle size: 4 - 6μm e) Whiteness: 95 (min.) Inner packing: PE bag, polybag