Indian Calcium Carbonate

Precipitated Calcium Carbonate

Technical Data Sheet for Indocal Precipitated Calcium Carbonate
(Made in India)

CHEMICAL & PHYSICAL SPECIFICATIONS
PROPERTIES GRADE
Hical-D Super-D Super-NP Super-G Super-H Super-CU
Calcium Carbonate as CaCO3 (min.) 97% 98% 97% 96% 97% 98%
Magnesium as MgO (max.) 0.5% 0.3% 0.5% 0.5% 0.5% 0.3%
Iron as Fe2 O3 (max.) 0.2% 0.2% 0.2% 0.2% 0.2% 0.2%
Soluble Alkalinity as Na2O (max.) 0.5% 0.2% 0.5% 0.5% 0.5% 0.2%
pH 9.5-10.5 9.5-10.5 9.5-10.5 9.5-10.5 9.5-10.5 9.5-10.5
Bulk Density (gm/ml) 0.34-0.40 0.40-0.46 0.43-0.48 0.45-0.50 0.62-0.70 0.42-0.47
Whiteness (min.) 97% 97% 96% 96% 97% 97%
Moisture (max.) 0.5% 0.5% 0.5% 0.5% 0.5% 0.5%
Solution in 5N HCl Clear Clear Clear Clear Clear Clear
Fineness Residue (Passing through 325 Mesh/45 Micron) 99.9 99.9 99.9 99.9 99.9 99.9
Oil Absorption (ml/100gm) 60-65 55-60 50-55 50-55 45-50 55-60

Activated Calcium Carbonate

Technical Data Sheet for Activated Calcium Carbonate
(Made in India)

CHEMICAL ANALYSIS
Calcium Carbonate as CaCO3 (min.) 98.5%
Magnesium as MgO3 (max.) 1.0%
Iron as Fe2O3 (max.) 0.02%
Silica as SiO2 (max.) 0.2%
HCL Acid Insoluble (max.) 0.5%
pH 9.5-10.5

 

PHYSICAL ANALYSIS
PROPERTIES GRADE
CT-707 CT-717 CT-727
Brightness 97% 98% 97%
Fineness-Residue on 45 µm (325 mesh) (max.) 0.5% 0.3% 0.5%
Loss on Drying at 105°C ±5° (max.) 0.5% 0.5% 0.5%
Specific Gravity (max.) 2.7 2.7 2.7
Bulk Density (gm/ml) 0.58-0.65 0.60-0.65 0.60-0.65
D.O.P Absorption (gm/100gm) 40-45 40-45 45-50
Average Particle Size d50 (µm) 3-4 3-4 3-4
Average Particle Size Top cut d98 (µm) 14 14 14
Coating (%max) 1.5-2.0 Stearate 2.5-3.0 Stearate 0.7-1.0 Titanate

Uncoated Ground Calcium Carbonate

Technical Data Sheet for Indocal Uncoated Ground Calcium Carbonate
(Made in India)

CHEMICAL & PHYSICAL SPECIFICATIONS
PROPERTIES GRADE
SW-15 BM-22 BM-32 BM-62
Calcium Carbonate as CaCO3 (±1) (min.) 90% 92% 92% 94%
Magnesium as MgO (±.5) (max.) 8% 6% 6% 4%
Iron as Fe2 O3 (max.) 0.2% 0.2% 0.2% 0.2%
Silica as SiO2 (max.) 2-3% 1-2% 1-2% 1%
Whiteness (min.) 94% 95% 96% 96.5%
Moisture (max.) 0.5% 0.5% 0.5% 0.5%
Oil Absorption (ml/100gm) 19-20 20-21 20-21 20-21
Specific Gravity 2.7 2.7 2.7 2.7
d-50 [Average particle size] (±0.5µm) 5.0 2.6 2.6 2.6
d-97 [Top cut] (± 1µm) 16 12 12 12

Coated Ground Calcium Carbonate

Technical Data Sheet for Indocal Coated Ground Calcium Carbonate
(Made in India)

CHEMICAL & PHYSICAL SPECIFICATIONS
PROPERTIES GRADE
BM-23 BM-28 BM-68
Calcium Carbonate as CaCO3 (±2) (min.) 90% 92% 94%
Magnesium as MgO (±.1) (max.) 8% 6% 4%
Iron as Fe2 O3 (max.) 0.2% 0.2% 0.2%
Silica as SiO2 (max.) 2-3% 1-2% 1%
Whiteness (%) 93-94 94-95 95-96
Moisture (max.) 0.3% 0.3% 0.3%
Oil Absorption (ml/100gm) 15-16 16-18 16-18
Specific Gravity 2.7 2.7 2.7
d-50 [Average particle size] (±0.5µm) 5.0 2.6 2.6
d-97 [Top cut] (± 1µm) 16 12 12
Coating % 1.1 – 1.25 1.1 – 1.25 1.1 – 1.25