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.