CHICAGO (July 2, 10:45 a.m. EDT) — Brampton Engineering Inc. displayed at NPE the largest nine-layer blown film die ever built, according to the company.
Jim Waslowski, vice president of marketing and business development, said the 24-inch lip die is one of two the company will ship to different U.S. customers within a few weeks. The lines cost about $2.5 million each without installation.
The line can make about 1,100 pounds per hour of 110-inch lay-flat film. Customers will use a combination of nylon, ethylene/vinyl alcohol, tie layer, polyolefin and ionomer layers to make film that can be vacuum formed to package food products such as cheese and meat.
The displayed die will be controlled by Brampton's improved Streamlined Coextrusion Die with the I-Flex Auto Gauge Lip and its Italycs system.
Also at the Chicago show, Brampton displayed rolls of film made by its AquaFrost system, a water-cooled, downward-blown film system that the company said matches output rates of cast film production. Clarity of AquaFrost film equals that of cast film because the film is cooled while the polymer is in the amorphous phase, Waslowski said. Thermoformability is the same as cast film, according to the Brampton, Ontario, extrusion equipment supplier. An advantage of AquaFrost film is that it has balanced orientation. Brampton's five-layer laboratory line has made a range of barrier and monolayer films. Waslowski said potential uses include meat and cheese film, clear shrink bundling films and heavy-duty shipping sacks. He said Brampton worked on the process for about two years in response to customer demands for higher-clarity barrier films.
Brampton also showed a new, high-output, cylindrical die package; its I-Flex family of gauge control systems; and its new, 4+1 Pancake IBC internal bubble control.