PTFE (Teflon) round rods. PTFE - a unique material, low coefficient of friction, excellent chemical resistance, increased non-stick properties, its application limits are from -200° C. to 250° C. Continuous temperature, short term up to 300° C. Crystallite melting point 327° C. Excellent dielectric properties. Polytetrafluoroethylene in its pure virginal form without additives.