Rheology, settling and applicability Imerys minerals for improved viscosity, settling, application and easy dispersion
Imerys talcs and kaolins are ideal for improving rheology and viscosity in paints, coatings and adhesives.
Paints & coatings
Talc creates weak bonds with these resins that result in increased low-shear viscosity. When shear is applied the bonds break quickly, resulting in shear-thinning coating rheology that is ideal for spray applications.
Improved rheology reduces sagging and in-can settling.
Easy dispersion and less dust
Imerys talcs have low binder demand and disperse easily in all binder bases.
Fine and ultra-fine talcs, such as Mistron® Monomix and Jetfine® 1H are cost-effective replacements for higher-priced thixotropes such as synthetic silicas. They incorporate easily into solvent-based paints and coatings, and do not require activation by heat or special solvents.
Lower VOC levels
Our fine-grind talc grades and Nyad® wollastonite grades demonstrate very low oil absorption and resin demand enabling formulators to reduce solvent content and achieve lower VOC levels.
Kaolins such as our Argirec™ B24 product are ideal for improving rheology and viscosity in water-based adhesives such as polyvinyl alcohol used in high speed paper lamination for the production of graphic cardboard and corrugated board.
- 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
- is very suitable for ' high viscosity' water-based adhesives due to its high surface area and very fine particles
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.