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Fillers - Imported Calcium Carbonate

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Imported Calcium Carbonate

VIRAT MINERALS & CHEMICALS a group company having manufacturing partnership with VIETNAM MINERALS & CHEMICALS at VIETNAM for producing CALCIUM CARBONATE.

This micronised grades are processed from the stones with high purity Calcium Carbonate from the best mines in terms of purity, whiteness & brightness, using the most mordern technologies, on plant of HOSOKAVA ALPINE, GERMANY.

Special care is taken on the consistency of the quality and testing is done on the most advanced equipments. The particle size distribution is tested by Malvern - 200 series, U.K. & whiteness - brightness is tested on Minolta - Japan.

These natural super fine grades of CALCIUM CARBONATE are supplied in UNCOATED & COATED forms, in range of VMC series.

These natural super fine grades of CALCIUM CARBONATE are supplied in UNCOATED & COATED forms, in range of VMC series.

UNCOATED STEARIC ACID COATED MEAN SIZE D50 TOP CUT D97
VMC 10 VMC 10 C 2.0 Microns (+/- 0.5) 10 Microns (+/- 0.5)
VMC 15 VMC 15 C 2.5 Microns (+/- 0.5) 16 Microns (+/- 0.5)
VMC 17 VMC 17 C 3.0 Microns (+/- 0.5) 17 Microns (+/- 0.5)
Component Chemical Formula Composition
Calcium CarbonateCaCO₃min 98.00%
Magnesium OxideMgCO₃max 0.16%
SilicaSiO₂max 0.12%
Ferric OxideFe₂O₃max 0.01%
Aluminium OxideAl₂O₃max 0.04%
PropertyValue
Oil Absorption23g/100g CaCO₃
Whiteness (MINOLTA - Japan)Min 98%
Brightness (MINOLTA - Japan)Min 98%
pH Value2.7
Specific Gravity3 MOH
Hardness0.10%
Acid Insoluble0.3% Max

Coated Calcium Carbonate



At VIRAT MINERALS & CHEMICALS, we have our in-house facility of coating the uncoated grades of imported CALCIUM CARBONATE with Stearic Acid as well as other special booster additives enhancing the properties of CALCIUM CARBONATE. The coating is done in specially designed plant giving 100% coating.

The use of these specially coated grades of CALCIUM CARBONATE in compounds improve the rheological behavior, enhance the mechanical properties and dispersion characteristics of all types of Polymer compounds like PVC compounds, plastisols, master batches, filled PP & HDPE compounds, etc.

With a storage capacity of around 20000 sq. foot of godowns we supply material of various grades from our ready stocks.

COATED COATED MEAN SIZE D50 TOP CUT D97
VMC 1010 VMC 1005 2.0 Microns (+/- 0.5) 10 Microns (+/- 0.5)
VMC 1510 VMC 1505 2.5 Microns (+/- 0.5) 16 Microns (+/- 0.5)
VMC 1710 VMC 1705 3.0 Microns (+/- 0.5) 17 Microns (+/- 0.5)


Advantages

  • Improves the flow and gives better gelation.
  • Reduces the melt viscosity of the compound – filler dose can be increased.
  • Better dispersion & whiteness can reduce the Titanium Dioxide dosage.
  • Improves the gloss of the compound.
  • Improves the tensile, elongation at break and flexural stresses.
  • Impact strength and modulus are improved.