Category: Pre-market additives

Calofort® ultrafine precipitated calcium carbonate (pcc) products are characterized by high surface area, controlled particle shape and high whiteness and are commonly used to modify rheology and reinforce in a variety of polymer systems.

Typical Use:
  • Polyurethane, polysulfide, and other polymer based sealant systems
  • Solvent based paints and primers; as an antisettling filler
  • PVC plastisols, modified silicone polymer, silicone, 2K polyurethane, polysulfide and other sealant formulations
Apparent use of Nanotechnology: precipitated calcium carbonate coated with calcium stearate (primary particle size: 70nm)
Reason for Inclusion:

"Primary particle size: 70nm" -Retrieved 2/5/2021 from

"Precipitated calcium carbonate (PCC) coated with calcium stearate" -Retrieved 2/5/2021 (see safety data sheet)

Trade: Painters
Safety Data Sheet (SDS):

available online