iron powder in deoxidizing preservative

Ingredients of deoxidizer: 

deoxidizer preservative is made of reduced iron powder activated carbon water absorbent resin and salt mixed.

Characteristics of deoxidizing preservative: 

deoxidizing preservative has the characteristics of strong adsorption capacity and thorough adsorption of oxygen, which can achieve the purpose of fast and efficient deoxidizing effect.

Deoxidizer oxygen absorption principle: 

chemical reaction formula :4Fe+3O2=2Fe2O3