PTFE (Polytetrafluoroethylene) and PFA (Perfluoroalkoxy) are fluoropolymers, two special materials used in many products. You might have seen or used them without even knowing. They’re both strong, can handle high heat, and resist sticking and chemicals. But they have differences that make each one special for certain jobs. What Are PTFE and PFA? PTFE (Polytetrafluoroethylene): […]