Are there recyclable coffee bags that meet regulatory trends?

7/15/20261 min read

MDO-PE/EVOH/PE is currently a mature and well-established technical solution for mono-material recyclable coffee bags, combining high barrier performance with recyclability
Its design logic is to solve PE's inherent poor barrier properties—while maintaining an all-PE material structure (recyclable)—by introducing MDO (Machine Direction Orientation) technology and an ultra-thin EVOH (ethylene-vinyl alcohol copolymer) barrier layer.

1. How does this structure work?

Think of it as a "sandwich" structure:

  • Outer/Middle layer: MDO-PE

    • MDO is a physical processing technique that stretches the PE film unidirectionally (like pulling noodles), realigning the molecular structure.

    • Result: MDO-treated PE film offers significantly improved strength, stiffness, transparency, and puncture resistance compared to standard PE. It also performs excellently as a printing substrate.

  • Critical barrier layer: EVOH

    • EVOH is one of the best oxygen barrier materials known today.

    • Function: Although this layer is extremely thin (typically <1 micron), it effectively blocks oxygen ingress, preventing coffee from oxidizing, developing off-flavors, or losing its aroma.

  • Inner layer: PE

    • This is standard PE, responsible for heat-sealability, allowing the bag to be properly sealed.


Key point: The EVOH content is kept very low. This is a mono-material solution that complies with global new regulations such as the EU's Packaging and Packaging Waste Regulation (PPWR), which mandate that packaging must be recyclable.