Novel parallel cooling system delivers benefits in foam extrusion

Omnexus - Dec 12, 2002

VIENNA, Dec. 12 -- Foam extrusion machine maker SMS Folientechnik Gmbh has developed an improved process for manufacturing foamed film and sheet. The key feature is two cooling extruders in parallel configuration, providing a cost-efficient solution to the increasing demand for higher cooling capacity 锟?especially for the manufacture of foams with alternative foaming agents. Cooling of the melt is critical in manufacturing foam products and conventional systems have been equipped with cooling extruders of larger and larger dimensions to increase throughput, according to SMS Folientechnik. Screw diameters of up to 400 mm are common in high-performance lines with an output of 1600 kg/h or more. Apart from the relatively high capital...

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