Dyneon PTFE TF 1620 is a semi-free flowing powder grade polytetrafluoroethylene (PTFE) that’s ideal for molding of billets for skived films of greater than 200 µm, shaped parts sheet stock and thinner walled articles. TF 1620 offers broad chemical resistance and an excellent operating temperature range from -328°F (-200°C) to 500°F (260°C).