Listing ID #1371142
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Calcite is a natural form of calcium carbonate widely used in Plastics, Paints and Rubber as a filter due to its high dispersibility, low oil absorption, higher impact strength, smooth surface finish, easy processing and excellent dimensional stability.
Effects on properties of polymers:
| APPEARANCE | FINE WHITE POWDER |
| CALCIUM CARBONATE CONTENT | 96.0 - 97.0 % |
| MAGNESIA as MgO | 0.4 - 0.6 % |
| SILICA as SiO2 | 0.4 - 0.6 % |
| pH | 9.0 - 10.5 % |
| SOLUBLE ALKALI as Na2O | 0.10 - 0.20 % |
| SULPHATE as SO4 | 0.20 - 0.40 % |
| STEARATE COATING | 3 % |
| BULK DENSITY ( as per IS:918-1985 ) | 0.50 - 0.62 Gram / CC |
| FINENESS ( MATERIAL PASSING 200 mesh BSS ) | 99.8 % |
| MOISTURE ( LOSS ON DRYING AT 110o C ) | 0.8 % Maximum |
| AVERAGE PARTICLE SIZE | 3 - 6 Microns |
| D.O.P. ABSORPTION | 44 - 54 % |
| WATER PROOFING | 98 - 100 % |
| Grade | Bulk Density | Average Particle Size (Microns) | Oil Absorption V / W D. O. P. | V / W Linseed | Specific Gravity | 2.60 - 2.70 |
| F | 0.37 - 0.43 Gram / CC | 4 - 7 | 74 - 80 % | 42 - 50 % | Solution in 5 N.HCL | Clear |
| H | 0.48 - 0.57 Gram / CC | 8 - 10 | 70 - 74 % | 36 - 40 % | Fineness | 99.8 % |
| L | 0.67 - 0.83 Gram / CC | 10 - 13 | 42 - 46 % | 26 - 30 % | Moisture | 0.5 - 0.8 % |
| M | 0.83 - 0.95 Gram / CC | 13 - 15 | 45 - 48 % | 34 - 38 % | - | - |
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