Handbook of Crushing - TerraSource Global
2019-6-3 · Hopper — The area of the crusher preceding the crushing chamber. Also, an external bin that holds the feed material. MOH Scale — Relative hardness of material compared to 1-Talc, 2-Gypsum, 3-Calcite, 4-Fluorite, 5-Apatite, 6-Feldspar, 7-Quartz, 8-Topaz, 9-Corundum and 10-Diamond. Nominal — Describes product size (output size),
