Equalseal EQ 510 is a true re-structured PTFE gasket sheet with excellent physical properties to be used in the most demanding applications. Its unique construction which includes premium ptfe resin and barium sulfate fillers nearly eliminates cold flow problems and makes Equalseal EQ 510 one of the finest gasket materials available anywhere. Suited for sealing against strong caustics, moderate acids, chlorine, gases, water, steam, hydrocarbons, and cryogenics. It also conforms to FDA regulations. Equalseal EQ 510 is equivalent to Garlock Gylon® 3510, Teadit Tealon® 1580, DXSeal Alltra 480 and Flexitallic Sigma 533.