Superfine calcium carbonate

(Product Name) Ultra-fine calcium carbonate (Performance) 1.Does not contain heavy metals. 2. Reduce the specific gravity of powder coatings, improve powder spraying ratio. 3.Increase the covering power. 4. Replace barium sulfate, to reduce production costs. (component analysis table) Ignition Loss43.50%MgO0.16%CaO55.00%AL2O30.20%Fe2O30.02%H2O0.16%SiO20.20%Hydrochloric acid insoluble0.20% (Quality indicators) Testing Items/Item no.YF-3000YF-2800YF-2500YF-868YF-1003Specifc Surface AreaCM2/G23000±50018500±50014500±50012000±5008600±500Average Particle SizeMICRON0.8±0.11.1±0.11.5±0.12.7±0.17.6±0.1True Specific GravityTON/M32.72.72.72.72.7Bulk Specific Gravity C.C./G0.550.630.70.830.91Water substance %0.25Max0.25Max0.25Max0.25Max0.25MaxOil absorption C.C./100G42383532.531Water Absorption C.C./G6461575451DOP absorption C.C./100G6260575553.5325mesh residue %00000PH value 9±0.59±0.59±0.59±0.59±0.59±0.5Sediment Volume 30min(c.c.)8277716650Sediment Volume 60min(c.c.)77726745.533Whiteness 96.5±0.596.5±0.596.5±0.596.±0.595.5±0.55