... to a micro-porous fibrous structure, resulting a sealant with an unsurpassed combination of mechanical and chemical properties ... -adhesive strip for easy fitting.Expanded PTFE Joint Sealant Tapes Typical ApplicationsSUNWELL 1810 is specially suited for ... no templates, precut or special fitting requirements.Expanded PTFE Joint Sealant Tapes SpecificationMedia: Acids, alkalis, solvents, gases, etc. ...