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| MICRO-WHITE 50 |
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| Calcium carbonate |
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| 1317-65-3 |
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| MICRO-WHITE 50 is an intermediate particle size natural ground calcium carbonate, suggested for use in water and solvent-based paint systems, caulks, sealants and adhesives, as well as many plastics applications. MICRO-WHITE 50 provides excellent dispersion properties as shown by its Hegman value listed below. |
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Typical Physical Characteristics:
Mean Particle Size: Microns: 5.5
Hegman Finenes: 5.0
Dry Brightness: Hunter D-25: 94
pH: 5% Slurry: 9.3-9.9
Specific Resistance: ohm-cm: 20,000
Apparent Dry Bulk Density:
Loose: Ibs/ft 3:45
Compacted: Ibs/ft 3:75
Oil Absorption: Rubout: 11-12
Typical Chemical Analysis (Wt. %):
Moisture: 0.2 max.
Calcium Carbonate-CaCO3: 97.6
Magnesium Carbonate-MgCO3: 1.5
Alumimum Oxide-Al2O3: 0.18
Iron Oxide-Fe2O3: 0.08
Silicon Dioxide-SiO2: 0.40
Manganese Oxide-MnO: 0.004
Heavy Metals: Less than 40 ppm
Physical Properties of Natural CaCO3: (Reference Values):
Specific Gravity: 2.71
Density: Ibs/ft 3: 169
Wt. per Solid Gallon: 22.57
Bulking Value: One Lb. Bulks: 0.0443 gals.
Specific Heat: cal/gm/C: 0.2
Coefficient of Linear Expansion: in/in/C (0-100C): 9-12 x 10-6
Index of Refraction: Mean: 1.59
Hardness: Mohs: 3.0 |
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| There are no existing companies to distribute selected chemical product |
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