Custom Polymers PET, LLC announced that it has expanded its PET operations in Athens, AL, adding 70 million pounds of clean post-consumer PET flake to their product line. The Company has made a substantial investment in new processing equipment (much provided by Italy's Amut SpA) and a new 50,000 square foot building. In total, Custom Polymers PET, LLC now occupies 250,000 square feet with…