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Reduced iron powder

Reduced iron powder, gray or black powder, also known as “double absorbent”, can absorb moisture and oxygen in the air, and is often used for food preservation.

Reduced iron powder is generally produced by the reduction of triiron tetroxide in a hydrogen flow or a carbon monoxide flow under high heat conditions. The reduced iron powder itself is powdery and its microstructure is very loose, so its surface area is extremely large. It is often used as a high-quality reducing agent in chemical production and laboratory operations.


  1. As a raw material for powder metallurgy products, the consumption amount accounts for 60 to 80% of the total consumption of iron powder
  2. As the raw material of the electrode, adding 10 to 70% iron powder to the coating can improve the welding process of the electrode and significantly increase the deposition efficiency;
  3. As a flame cutting spray, when cutting steel products, spraying iron powder into an oxy-acetylene flame can improve the cutting performance, expand the range of cutting steel types, and increase the cuttable thickness
  4. Can also be used as a reducing agent in organic chemical synthesis, copier ink carrier and so on.
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