... easy to fade As an important inorganic colorant, iron oxide black is characterized high opacity, strong tinting strength, easy dispersibility ... industries etc.Product Name: iron oxide blackProduct Overview: Formula Fe2O3FeO, with a saturated blue-black ink light-colored, strong, high ... 2 ~ 4%. Adequate mixing. Product Name: Iron Oxide Black Model: 417/757 /779/792 Test itemThe indicatorTest resultsFe3 ...