Coated Calcium Carbonate

Product Specifications - Coated Grades
Grades D(50) D(97)
Super-C-Sp 1.2(+/-) 0.2 Microns 8.2(+/-) 1 Microns
Super-C1 1.4(+/-) 0.2 Microns 9.5(+/-) 1 Microns
Super-C2 1.6(+/-) 0.3 Microns 10.5(+/-) 1 Microns
Super-C3 2.2(+/-) 0.3 Microns 16 (+/-) 1 Microns
Chemical Properties (On Dry Basis)
Calcium Carbonate CaCO3 >= 98.50 %
Magnesium Oxide MgO <= 0.20 %
Silicon Dioxide (Silica) SiO2 <= 0.10 %
Ferric Oxide Fe2O3 <= 0.01 %
Aluminium Oxide (Alumina) Al2O3 <= 0.01 %
Physical Properties
Oil Absorption 23 g / 100g CaCO3
Whiteness - (MINOLTA - Japan) 98 (+/-) 1
Brightness - (MINOLTA - Japan) 96 (+/-) 1
PH Value 8 (+/-) 1
Sp. Gravity 2.7
Hardness 3 MOH
Moisture 0.10%
Acid Insoluble 0.3 % Max.
Homogeneous Coating By Hosokawa, Germany
Stearic Acid Percent 1.20%
Coated Surface 100%

Uncoated Calcium Carbonate

Product Specifications - Uncoated Grades
Grades D(50) D(97)
Super-U2 1.3(+/-) 0.2 Microns 10.5(+/-) 1 Microns
Super-U3 2.2(+/-) 0.2 Microns 16 (+/-) 1 Microns
Super-U4 2.8(+/-) 0.3 Microns 18 (+/-) 1 Microns
Chemical Properties (On Dry Basis)
Calcium Carbonate CaCO3 >= 98.50 %
Magnesium Oxide MgO <= 0.20 %
Silicon Dioxide (Silica) SiO2 <= 0.10 %
Ferric Oxide Fe2O3 <= 0.01 %
Aluminium Oxide (Alumina) Al2O3 <= 0.01 %
Physical Properties
Oil Absorption 23 g / 100g CaCO3
Whiteness - (MINOLTA - Japan) 98 (+/-) 1
Brightness - (MINOLTA - Japan) 96 (+/-) 1
PH Value 8 (+/-) 1
Sp. Gravity 2.7
Hardness 3 MOH
Moisture 0.10%
Acid Insoluble 0.3 % Max.

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