HIFILL N
Covia
Covia’s HIFILL N (nepheline syenite) is a safer, silica-deficient functional filler widely used in a variety of polymers and silicone rubber applications. Micronized sizes are valued for purity of color, gloss control, antiblocking in polyolefin films, ease of dispersion with low viscosity build, abrasion, and superior weather resistance. Covia's HIFILL N functional mineral filler is mined from one of the world's largest, higher whiteness, and more chemically consistent deposits found in Blue Mt., Ontario Canada.