... 442-5Molecular Formula: Fe3O4Molecular weight: 231.53C.I No:Pigment Black 11Character1. Powder, exquisite particle.2. Good dispersion un- ... -25Tinting strength(compared with standard),%: 95-105Usage1. Coating, antirust pigment.2. Tinting of rubber, plactic product, scagliola, wall, ... 2.Uesd on plastic ,rubber, paper 3.black inorganic pigmentsIron Oxide black 1.CAS No: 12227-89-3 2.Specification: ...