Dr. Collin GmbH used the K show to announce its newest product division, Polytest Line, which comprises measuring devices such as rheometers, viscometers and pressure testers used for quality control during extrusion. The Ebersberg, Germany, company also supplies extrusion lines for lab, pilot and production use. Customers can try out products from the Polytest Line in one of the company's test laboratories, which are in Ebersberg and Norcross, Ga.