1.Chemical properties:
    1) Stability

         Stable, soluble in hydrochloric acid, sulfuric acid generated +3, ferric salt.

    2) Solubility

         Insoluble in water, do not react with water.

    3) Oxidative

         (High temperature) are CO, H2, Al, C, Si, etc. to restore.

2. Specification: Iron oxide red: Y101 110 120 130 190 color gradually become darker.

      Yellow Iron: 311 313

      Iron Palm: 842 7602 7601

      Iron black: 722 (93% 95% 96%) Fe2O3

4.  Usage: 1. The red-brown pigment powder as a low-level, industry, said iron oxide red, used in paint, ink, rubber and other industries

                     2. Do Catalyst

                     3. Glass, precious stones, metal polishing agent

                     4. For the refining of pig iron and CO reaction (H₂ can)