One-way degassing valve

A component rather than a substrate — it is specified alongside one.

Required for whole-bean coffee — fresh roast off-gasses CO₂ for days.

Structure

Moulded one-way valve, heat-welded to the pouch face. Clear, black or white.

Print methods

None — it is a component, and it sits on top of the artwork

Finishes

Matte · Gloss

After use

A small separate polymer part; it stays with the pouch.

How we describe it

“a small round one-way degassing valve welded to the pouch face”