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Coated Calcium Carbonate powder

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Bao Lai offers a diverse set of ground calcium carbonate powder from Vietnam white marble suited for a wide range of applications including plastics, paints & coatings, construction materials, adhesives, sealants, food & pharmaceutical products, paper & ink, and lawn care. BL10S is a high whiteness calcium carbonate derived from pure Vietnam white marble. It is milled and classified to below 10 microns and 1% coated with stearic acid. It is surface - treated to make the particles completely hydrophobic for ease of dispersion, improved processing characteristics and minimal moisture-uptake. Please contact us for more information of products availability. Key features

  • Exceptional whiteness
  • Absence of particles above 15 microns
  • Excellent dispersion properties
  • Impart high gloss
  • Good toughness and rigidity in thermoplastics

Key applications

  • Matt and glossy emulsion decorative paints
  • Polyolefin Compound / Masterbatch for molding and film
  • Matt and glossy enamels
  • Rigid and plasticized PVC thermoplastics
  • Anticorrosion Paints Primers
  • Elastomers rubber
TYPICAL PROPERTIES
Property Unit of Measures Value
+ 10 microns % max 2.0
Brightness Hunter Y 95.0 ± 1.5
CaC Wt. % 99.0
MgCO3 Wt. % 0.6
Fe2O3 Wt. % 0.02
Acid Insoluble Wt. % 0.22
Stearate coating % 1.0 ± 0.2
Moisture Wt. % 0.2
Oil absorption g/100g 21
Surface area BET m2g-1 6
Specific gravity - 2.7
Aerated powder density Kg/ 500
Tapped powder density Kg/ 1030
pH - 9.4
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PHYSICAL ANALYSIS CHEMICAL ANALYSIS
1 D97=  10+/-2µ CaCO3: 98% Min
2 Whiteness: 98% Min Fe2O3: 0.01 % Max
3 Brightness: 97% Min MgO: 0.02 % Max
4 Hardness: 3 Moh SiO2: 0.03 % Max
5 Moisture: 0.2 % Max Al2O3: 0.02% Max
6 Acid Insoluble: 0.3% Max Stearic Acid: 1%
7 Oil Absorption: 23g/ 100g CaCO3  
8 Density: 2.65-2.7g/cm3  
9 PH: 8-9  

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