Commonly used chromite sand types in the foundry industry

Commonly used chromite sand types in the foundry industry
Generally, the suitable particle size of the sand mold used in the modeling of large steel castings is AFS40-45 AFS40-50mesh, and the particle size of the sand used for medium and small parts is AFS50-55 . There are also some special cases such as: some small water pump industries, considering economic factors, replace zircon sand with chrome ore. The chrome ore purchased by these factories is required to be very fine, requiring AFS60-65 AFS60-70,