When sourcing chromite sand, technical purity is paramount. Standard foundry-grade sand should meet the following minimum requirements: Chromic Oxide ( Cr2O3cap C r sub 2 cap O sub 3

Most of the world's high-quality chromite sand originates from , which holds nearly half of the global resources. Chromite Sand - Carpenter Brothers, Inc.

: Typically ranges from AFS 30 to 55 .