Monoaxially and multidirectionally expanded pure PTFE tapes, multidirectionally expanded pure PTFE sheets, restructured, filled PTFE sheets are made of 100% expanded virgin PTFE. Manufactured by a patented process that produces a uniform and highly fibrillated microstructure with thousands of small fibres running in many directions. These create a soft and pliable, yet very tough oval-shaped Joint Sealant that is very compressible with a high tensile strengh. MAS Joint Sealants provides excellent cod flow and creeps relaxation resistance. It is FDA suitable and it comes with an easy peel off self adhesive backing that makes installation simple.