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Adhesives, caulks and sealants

Adhesives, caulks & sealants Imerys minerals - ideal functional mineral pigments for adhesives, caulks and sealants

Imerys minerals make excellent functional mineral pigments in adhesives, caulks and sealants.


Kaolin such as our Argirec B24 product are ideal for water-based adhesives such as polyvinyl alcohol used in high speed paper lamination for the production of graphic cardboard and corrugated board.

Argirec B24:

  • Provides the right rheology profile fostering low adhesive use per g/m2 to create adhesion
  • Gives stable viscosity profile over a longer period of time ( good shelf life)
  • Confers the correct balance between dosing concentration and viscosity level
  • Provides kaolin color which is compatible with the color of test liner and craft liner paper substrates
  • Is very suitable for ' high viscosity' water-based adhesives due to its high surface area and very fine particles
  • Provides a good initial grab and green strength
  • Provides durable bond between paper substrates with a defined quality in both low and high hydrolyzed polyvinyl alcohols

The platy shape of kaolin gives also good barrier properties in sealants by creating a tortuous path to protect the material that has been sealed.


Imerys platy talc's make excellent multifunctional fillers in caulks, adhesives and sealants where they:

  • Are excellent thixotropes improving rheology
  • Provide low adsorbed moisture
  • Improve sandability due to their natural softness
  • Improve dimensional stability, crack resistance and shrink resistance
  • Make spreading easier


The needle-like structure of wollastonite makes it a highly effective functional filler in structural, high-temperature, pressure sensitive, hot melt, heat activated and UV curable adhesives and sealants where it provides:

  • Improved mechanical properties
  • Enhanced sag resistance
  • Good rheology
  • Cold temperature crack resistance
  • Improved tensile strength

We offer a full range of bespoke formulation and technical and process support services to help you match the right mineral grade to your application requirement.

Please contact us, we will be only too happy to help

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