Solve Five Common Problems in Blown Film Coextrusion

The blown film industry has evolved from monolayer film structures to multilayer ones for a variety of food and non-food packaging applications. Here are typical problems with these structures and tips on how to solve them.

Macro Founder Planeta Retires

Founder of film and sheet extrusion machine builder steps down after 40 years.

Extrusion: Biax Lines for ‘Bone-In’ Meat Bags

By: Staff Report - Plastics Technology

Equipment also comes with materials-selection and processing know how.

NPE2018 New Technology Focus: Film & Extrusion Coating

By: Jim Callari - Plastics Technology

Check out what’s new in blown and cast film and extrusion coating at the big plastics industry trade show. 

Extrusion/Compounding at NPE2018: More…More…More!

By: Jim Callari - Plastics Technology

More speed, flexibility and robustness. Across a gamut of extrusion applications, machine builders are introducing new machinery, components, and systems to dramatically raise the bar on productivity.

Macro Engineering, Raven Industries Partner on New 7-layer Cast Extrusion Line

By: Heather Caliendo - Plastics Technology

The line includes the addition of two individual extrusion dies to process low and high viscosity resin types.

Macro Expands Die Refurbishing Capabilities

By: Staff Report - Plastics Technology

Process reportedly yields dies 'good as new.'

Know Your Options for Foaming Sheet

Tandem extrusion of PS is still the standard technology, but new materials options and equipment technology are emerging.
#polystyrene #processingtips #bestpractices


By: Jim Callari - Plastics Technology

As in speed, power, quality, flexibility, layers, and efficiency. Those are the trends across all extrusion processes.

Here's A New Way to Produce Bags from Scrap

By: Jim Callari - Plastics Technology

Macro develops multi-tube process that prevents impurities from leaking layer to layer.