PAINT RAW MATERIALS:
Calcium Carbonate

PRODUCT: MICROCARB AR 04
DESCRIPTION :
A product of high degree of whiteness produced from selected natural finest microcrystalline rhombohedra Calcium Carbonate.
Very low oil absorption, easily dispersible, imparting good theological properties.It is used throughout the range of water and solvent based paints for both interior and exterior applications.
CHEMICAL ANALYSIS OF THE RAW MATERIAL:
CaCO 3  99.3 % MgO      ≤ 0.08%
 SiO2  00.06% Fe2O3   ≤ 0.01%
 HCI insoluble content, ≤ 0.09 %
PHYSICAL PROPERTIES OF THE RAW MATERIAL:
 Density ( ISO 787/10) 2.7g/ml
Hardness (Mohs) 3
 TOP CUT: d97(CILAS) 18.00 µm Median Size: d50 (CILAS) 4.00 µm
 Bulk density ( ISO 787/11) 1.1 g/ml Specific surface (BET) 3.1 m2/g
 Abrasion (ES269) 10.5 mg  Oil Absorption 19.0g/100g
 Water Absorption 24.8 g/100g pH( ISO 787/9) 9
Moisture content ( ISO 782/2) ≤ 0.17 %
OPTICAL PROPERTIES:
  LAB, Scan         L* = 95.2       a* = -0.2       b* = 1.4      Yellow   index 2.6
APPLICATIONS:
Paints: Emulsion and Alkyd paints
Plastics: PVC, PE, PPP, PVC coatings
Rubber, Adhesives.c5