About this corrugated cardboard.
Corrugated 350 (Flute EB) — Bleached Kraft / Brown Test — 51 ECT — Double Wall
Double-wall combination: cost-effective bleached top E-Flute makes a nice printing surface and adds sturdiness. Inside- B-flute (brown). Overall, the box withstands 51lbs pressure to 1in of the edge. (4.5mm thick)
Possible uses
Shipping boxes and crates. Recommended total weight up to 140lb, overall size 140".
** This is representative work similar to what may be sold on Collllor.com