Feldspar. Acts as a micronized functional filler and extender. It is produced from pegmatite, a natural occurring mixture of sodium potassium feldspar, silica and muscovite mica. Unispar® FF-150 low oil absorption permits high loadings. Its consistently uniform chemistry, size distribution and top size control ensures improved structural as well as chemical performance with minimal resin demand.
MINEX® 4 by Sibelco Specialty Minerals is a micronized functional filler and extender. It is produced from nepheline syenite which is a naturally occurring, silica deficient, sodium-potassium alumina silicate. Due to low oil absorption, it permits high loading. MINEX® 4 is recommended for adhesives and sealants.
MINEX® 3 by Sibelco Specialty Minerals is a micronized functional filler and extender. It is used in adhesives and sealants. MINEX® 3 is produced from nepheline syenite which is a naturally occurring, silica deficient, sodium-potassium alumina silicate. Due to low oil absorption, it permits high loading.