Detailed Product Description

Reaction Principle
Iron will rust in the air. Oxygen absorbent just uses chemical reactions between oxygen and activated iron with water and salt catalyst. Oxygen is absorbed effectively during this reaction.

Features:
Harmless: proved harmless in case of accidental swallow via acute toxicity test
Odorless: No smell of alkaline gas or sulfurous acid gas
Safe package: Meet sanitary requirement, oil-proof and leak-proof package, printing ink doesnt contact food.

Oxygen Indicator

Red color will turn blue in the presence of oxygen within a few minutes while blue color will turn red again when the oxygen density is less than 0.1%. According to the color of oxygen indicator, you can judge whether your package material is available or not and check the package whether has been damaged, completely sealed or not.