Zinc ferrite pigment powder preparing method

The present invention relates to the preparation process of zinc ferrite pigment powder, and features that metal iron powder and zinc powder as material are rusted, oxidized and synthesized directly in water medium system at lower temperature of lower than 100 deg.C, to prepare yellow brown zinc ferrite pigment pwoder. The technological process is simple and the product is one kind of environment friendly pigment with high homogeneity, good dispersivity and low content of chlorine and other harmful impurities.