Semi-amorphous organogenic limestone of sedimentary origin with high purity and whiteness. Used in rigid and plasticized PVC for low absorption in relation to high fineness. Also used in rubber, in high quality water-based paints, enamels, cementites and in the paper industry.

Typical values
    Microcarb SB Microcarb SM
Specific gravity g/cm3 2,7 2,7
Median particle size (d50) μ 2.2 1.9
Specific surface area (BET) m2/g 3.6 3.8
Bulk density (tamped) g/cm3 0.90 0.87
Sieving residue at 44 μ % < 0.01 < 0.01
Main applications
  • PVC and HFFR cable compounds
  • Thermoplastic and elastomeric compounds
Technical sheet Microcarb SB

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Technical sheet Microcarb SM

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