Product Code:SAE AMS3660 Title:Polytetrafluoroethylene (PTFE) Moldings, General Purpose Grade, As Sintered Issuing Committee:Ams P Polymeric Materials Committee Scope:This specification covers virgin, unfilled, polytetrafluoroethylene (PTFE) in the form of molded rods, tubes, and shapes. This specification does not apply to product over 12 inches (305 mm) in dimension parallel to the direction of applied molding pressure, rods under 0.750 inch (19.05 mm) in diameter, and tubes having wall thickness under 0.500 inch (12.70 mm).