The Malaysian tape is by far the biggest seller of import thread seal tape made of unsintered P.T.F.E. tape in the USA. It conforms to MIL Spec T-27730A Our unsintered P.T.F.E. tape is made of high quality Polytetrafluoroethylene P.T.F.E. It can be wound around threads of any metal, plastic, or rubber pipes to provide leak free joints that will never freeze or harden with age.