Munaco 1601 is a PTFE packing of interbraid construction that fully conforms to FDA requirements under Titles 21 Food and Drugs, 178,3570 - lubricants with incidental food contact, and 177.1550 - per fluorocarbons.  Style 5646 contains no wetting agents, acids, or PTFE dispersion.  Every element in this superior packing is approved by the FDA for incidental food contact.  munaco 1601 can be used on pumps, valves, mixers, agitators, tank covers, and similar applications.