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Redesigned CenterPack Coextrusion Die Offers Greater Versatility


blown film die for barrier films with EVOH PA Nylon and PVdC


Plastic film and sheet extrusion systems supplier Macro Engineering & Technology Inc. has redesigned its CenterPack coextrusion die for blown film systems to improve processing versatility and minimize residence time.

The redesign has improved the die’s layer ratio range by more than 25% (from 3:1 to 4:1) while reducing residence and purging time by 40-50%. With these upgrades, the new CenterPack die is now capable of processing both blown and cast film grade resins without any interlayer clarity issues.

Available to process film structures up to 9 layers and in die diameters up to 2 m, the newly redesigned CenterPack die provides excellent film quality for Nylon 6, EVOH, PP, PETG, plastomers, LLDP for laminating and thermoforming applications. The die is a stackable design using a center-fed system that ensures minimum residence time, fast purging and delivers flat film with gauge better than ± 5% (2-sigma).



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About Macro 

Macro Engineering & Technology is a global supplier of film and sheet extrusion systems that specializes in barrier film lines and custom engineered extrusion systems. Founded in 1978, Macro’s approach is to help film and sheet producers reach their production goals through a project-oriented philosophy and an uncompromising commitment to developing innovative technologies. 


Macro manufactures blown, cast and biaxially-oriented coextrusion lines for multilayer films up to 13-layers. The company also supplies sheet extrusion lines for specialty applications, along with extrusion coating and laminating lines. Macro also specializes in developing customized winding solutions and supplies winding equipment to meet the needs of complex requirements. 

Macro’s equipment is used throughout the world to manufacture value-added products in the food packaging, medical, and industrial markets. 


For more information about Macro Engineering & Technology Inc. contact us.