PackFreshUSA Blog

History of Oxygen Absorbers In 1965, the Japanese invented what we call oxygen absorbers. They found that iron salts absorb oxygen. In 1977, Mitsubishi refined the oxygen absorber to sachets … read more

We have received many questions regarding oxygen absorbers. “What are they and how do they work?”, “How long do I have to use them after opening?”, “How do I know they are working?”, “How many … read more