... : 1) 100% PTFE, resistant to all corrosive media 2) Soft, twistable and bendable at will, Features:1) 100% PTFE, resistant ... to all corrosive media 2) Soft, twistable and bendable at will, even gravely rusted and worn ... scope: it can replace any asbestos -rubber gasket, steel-armoured gasket, metallic gasket, twined gasket, graphite filler and many other sealing materials 8 ...