... .Pure iron powder 2.Extend self life of products 3.Food grade 4.SGS, MSDS certificate 5.Deoxidant/ deoxidizer Product name: Oxygen ... .Pet food: cat food, dog food, fish food, etc.Animal products: beef jerky, pork breast, bacon, ham, dried duck, etc.Roasted seeds and nuts: sunflower ... , various health medicines. Others: tea, tobacco, documents, paintings, electronics, equipment. food grade deoxidizer