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Calofort® (Adhesive ingredients)

Supplied by Specialty Minerals
Calofort® by Specialty Minerals is a range of precipitated calcium carbonate (PCC) additives with controlled particle size distribution, engineered surface treatment, and high brightness. The chemistry is produced via controlled precipitation and surface modification processes to deliver consistent morphology, dispersion efficiency, and rheology modification in adhesive and sealant polymer systems including polyurethane, PVC plastisols, polysulphide, and silicone formulations.

Key benefits of Calofort® brand include:

  • High reinforcement efficiency through ultrafine particle structure
  • Improved rheology control with stable shear response
  • Excellent dispersion due to surface-treated particle chemistry
  • High brightness and whiteness for uniform formulation appearance
  • Optimized particle size distribution for formulation stability

2 Products match your search

Calofort® SM

by Specialty Minerals

Calofort® SM by Specialty Minerals is a precipitated calcium carbonate. It is stearate coated white microcrystalline powder characterized by high surface area, controlled particle shape and high whiteness. It consists of fine calcitic crystals with an average particle size of 0.07µm. Used in sealant systems based upon polyurethane, polysulphide and other polymers where slump resistance as well as viscosity control are important. It can allow partial or total replacement of more expensive thixotropic aids. Its surface promotes hydrogen bonded networks when used in sealant formulations. These structures readily break down under shear, leading to a reduced viscosity and hence a more readily pumped or sprayed product. However, on removal of the shear, the sealant structure quickly recovers giving rise to good slump resistance. The fine particle size of Calofort® SM also acts as a reinforcing agent which gives the benefit of high tear and tensile strength in the cured product.
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Calofort® SV

by Specialty Minerals

Calofort® SV by Specialty Minerals is a precipitated calcium carbonate. It is stearate coated white microcrystalline powder characterized by high surface area, controlled particle shape and high whiteness. It consists of fine calcitic crystals with an average particle size of 0.07µm and a 3% stearate coating. Used in PVC plastisols and other sealant formulations where higher structure and slump resistance are required. It can allow partial or total replacement of more expensive thixotropic aids. The surface of Calofort® SV promotes hydrogen bonded networks when used in sealant formulations. These structures readily break down under shear, leading to a reduced viscosity and hence a more readily pumped or sprayed product. It also acts as a reinforcing agent which gives the benefit of high tear and tensile strength in the cured product.
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