Performance comparison of white corundum and brown corundum
Hardness: white corundum>brown corundum;
Toughness: brown corundum > white corundum.
In addition to high hardness, white corundum will not be colored when grinding, and is especially suitable for grinding some metal products with high requirements.
Brown corundum is the most common corundum series frosted. Red corundum is in between.