Winnofil SPT - Description

Winnofil SPT is an ultrafine surface treated precipitated calcium carbonate. It is a very fine, white and odourless powder with unique crystal size and shape. Winnofil SPT gives excellent rheological properties like anti-slump behaviour and good control over yield value and viscosity. Winnofil SPT contributes to improved physical properties and acts as a reinforcing agent.

Winnofil SPT

More information about Winnofil SPT


  • Physical Form: Powder
  • Surface Area (BET) (m2/g): 15-24
  • Density (g/cm3): 2.71
  • Free Flowing Density (g/L): 330
  • Refractive Index: 1.658
  • Loss on Drying (g/kg): ? 6
  • Yield Value Pa: 100-199
  • Coating Content (g/kg): 23-31
  • Crystal Structure: Calcite Rhombohedral
  • Crystal Shape: Cubic

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