Delrin (Acetal Homopolymer), Delrin Sheet, Delrin Rods. DELRINÂ® is a crystalline plastic which offers an excellent balance of properties that bridge the gap between metals and plastics.DELRINÂ® possesses high tensile strength, creep resistance and toughness.It also exhibits low moisture absorption. It is chemically resistant to hydrocarbons, solvents and neutral chemicals.elrin (Acetal Homopolymer), Delrin Sheet, Delrin Rods. DELRINÂ® is a crystalline plastic which offers an excellent balance of properties that bridge the gap between metals and plastics.
Steel and aluminum are the most popular metal roof materials. Metal roofing prices vary depending on the material. Costs usually range somewhere between $350 to $1,100 per square. A square equals 100 square feet and is the standard sizing for most roofing materials.
Metal Roofing Prices for Materials and Installation. A new metal roof can be one of the most expensive residential roofing options, rivaled only by the likes of Natural Slate, Clay Tiles, Wood (Cedar) Shingles and Shakes and Synthetic slate shingles. However, it is possible to have a metal roof installed on a budget â relatively inexpensive, compared to the materials listed above.