Teflflon™  FEPD 121 is an off-white aqueous fluorinated  ethylene propylene (FEP) dispersion stabilized with a  non-ionic surfactant. It is a general-purpose dispersion  that can be used to impart some the unique properties of  FEP to end products that would be difficult to make using  traditional melt extrusion processes. It can be used to coat  or impregnate porous structures, or to make thin films. It can  be coated and melt bonded to polytetrafluoroethylene (PTFE)  resin or used as a hot melt adhesive. 

The FEP resin in Teflflon™  FEPD 121 is a melt flowable  thermoplastic, providing superior properties typical of  fluoroplastic resins: retention of properties after service at  204 °C (400 °F) and useful properties at –240 °C (–400 °F). 

Teflflon™  FEPD 121 aqueous dispersion provides: 

• Inertness to nearly all industrial chemicals and solvents  

• Stability at high temperatures 

• Excellent dielectric properties 

• Excellent weatherability 

 Typical Applications  

• Heat-sealable top coatings for PTFE-coated fabrics for  belting, circuit boards, architectural fabrics, and electrical  insulation

• Cast film for capacitor dielectrics or chemical barriers 

• Hot melt adhesive for PTFE, PFA, and FEP parts 

• Metal coatings