Pillar No.3300 A rope-shaped gasket made of stretched 100% PTFE with double-sided tape attached to one side. Its shape and the marshmallow-like structure make this sealant a great choice for use with flanged that have large surface areas, complex shapes, or rough surfaces. Features & Performance: Inert to almost all chemicals, Reliable sealing performance (max 3.3 MPaG), Thermally resistant. Applications: Extremely flexible and compressible, and can not only be used as a gasket but for numerous other purposes.