Uncoated Calcium carbonate powder 20+/-1µ

Bao Lai offers a diverse set of ground calcium carbonate derived from Vietnam white marble formed in Yen Bai, Vietnam, which has the technical characteristics of exceptional whiteness, low in impurities, excellent dispersion, high gloss impartment and good rigidity. Those properties make it favorable for mass production including plastics, paints & coatings, construction materials, adhesives, sealants, food & pharmaceutical products, paper & ink, and lawn care.
Our product BL20 is a high whiteness calcium carbonate powder derived from pure Vietnam white marble. It is milled and classified to below 20 microns and processed to add cost efficiency, mechanical properties, and high performance to your applications.
Please contact us for more information of products availability.

Key features

  • Exceptional whiteness
  • Absence of particles above 30 microns
  • Good dispersion properties
  • Low oil absorption

Key applications

  • Matt emulsion paints
  • Undercoat and primer paints
  • Plasticized PVC cables
  • DMC and SMC
  • Masterbatch
  • Acrylic sealants
  • PVC plastisol
TYPICAL PROPERTIES
Property Unit of Measures Value
+ 20 microns % max ± 2.5
Brightness Hunter Y 94.0 ± 1.0
CaC Wt. % 99.0
MgCO3 Wt. % 0.6
Fe2O3 Wt. % 0.02
Acid Insoluble Wt. % 0.22
Moisture Wt. % 0.2
Oil absorption g/100g 16
Surface area BET m2g-1 3
Specific gravity 2.7
Aerated powder density Kg/ 660
Tapped powder density Kg/ 1220
pH 9.4