When you raise your glass, we raise the standard
Sodium feldspar is a naturally occurring mineral generated as a co-product of our quartz processing in Spruce Pine, NC. Feldspar is the MVP when it comes to lowering vitrifying temperatures as flux in glass and ceramics.
60%
of the Earth’s crust is feldspar
1971
Astronauts discovered feldspar moon rock
100%
of our feldspar is produced in the USA
Minspar™ product line
TQC offers the Minspar™ product line in sizes ranging from a 30-mesh sand to a 2.5µm powder for use as functional fillers in a wide variety of industrial applications. Low in iron and high in alumina, Minspar™ provides the desired flux for most ceramic tile, sanitary ware and glass manufacturing.