5-layer polyamide

An extrusion line for 5-layer cast sheets (effective width of 1,400 mm) made of polyamide or polyamide and polypropylene has recently been developed by Union, based in San Vittore Olona (Milan, Italy). The line achieves an hourly output ranging from 600 to 1,200 kg according to sheet thickness, and is equipped with 3 extruders (TRS 160-90-60), all with dual venting system.
The automatic flat die is equipped with flow shutters and a vacuum system installed upstream of the chill-roll.