5 - Ply
Pack Universe manufactures 5-ply corrugated boards, also known as Double-wall boards, composed of five layers of paper with two fluted layers alternating between three facings.
We offer flute profiles of EB, EC, EA, BC, BA, CA, and AA, with corresponding thicknesses of approximately 5mm for EB flute, 6mm for EC flute, 7mm for EA and BC flute, 8mm for BA flute, 9mm for CA flute, and 10mm for AA flute.