Cr2O3 content (purity) is up to 99% and above (actual 99.4%), the color is light green (the lightest in SP1-4), the impurity content is very low (less than 0.2%). Oil absorption range 20-25 (g/100g), customers can adjust the oil volume within this range according to their own needs. Moderate particle size (D50 is 1.2-2).