Plastic Products Engineering Co. Manufactures Poly Tetra Flouro Ethylene Ram Extruded Rod. Plastic Products Engineering Co. Offers a wide range of products in the field of PTFE and PTFE-compound transformation for various industrial applications. The Poly Tetra Flouro Ethylene Ram Extruded Rod is available in standard meter lengths to suit all requirements. The Poly Tetra Flouro Ethylene Ram Extruded Rod comes in different diameter sizes ranging from 6 mm to 100 mm.