... :235-442-5Molecular Formula: Fe3O4Molecular weight: 231.53C.I No:Pigment Black 11Character1. Powder, exquisite particle.2. Good dispersion un-penetrability ... /100g,15-25Tinting strength(compared with standard),%: 95-105Usage1. Coating, antirust pigment.2. Tinting of rubber, plactic product, scagliola, wall, terrazzo.3 ...