Neopac Introduces Europe’s First Mono-Material Barrier Tubes with HDPE Caps to Receive Full RecyClass Technology & Product Approval Press Packagin… December 04 / 2020 Tags Sustainability Mono-Material Barrier Tubes RecyClass Read more about Neopac Introduces Europe’s First Mono-Material Barrier Tubes with HDPE Caps to Receive Full RecyClass Technology & Product Approval Polyfoil MMB® portfolio of tube solutions can be paired with HDPE caps for comprehensive, “ready to recycle” packaging sustainability.