... iron powder 2.Extend self life of products 3.Food grade 4.SGS, MSDS certificate 5.Deoxidant/ deoxidizer Product name: Oxygen ... breast, bacon, ham, dried duck, etc.Roasted seeds and nuts: sunflower seeds, melon seeds, peanuts, pine nuts, pistachio, hazelnut, walnut, etc ... health medicines. Others: tea, tobacco, documents, paintings, electronics, equipment. food grade deoxidizer