|
A friend gave this to me last year. Consolidation has really changed this business.
Typical Levels of Iron in Commercially Available Sand
Wt % Fe2O3
Unimin (now Covia)
Oregon, IL. Glassil. 0.020 - 0.025
Camden, TN Glassil 0.010 - 0.01
Junction City, GA. Glassil. 0.010 - 0.020
Junction City, GA. Puresil. 0.005 - 0.010
U.S. Silica
Columbia, TN. 0.020 - 0.025
Ottawa, IL. 0.015 - 0.020
Milllcreek, OK. 0.025 - 0.030
|