Plain brown thick cardboard sheets constructed of one sheet of 200 lb. Test "B" fluting and one sheet of 200 lb. Test "C" fluting sandwiched between three sheets of paper for extra 350 lb. Bursting strength. BC flute cardboard sheets are approximately 5/16" thick.

Double Wall
Double wall corrugated fiberboard has three flat facings and two corrugated members combined in the following sequence - a facing, a corrugated member, a (center) facing, a corrugated member, and a facing. The principal use of double wall corrugated is for boxes. It has high stacking strength and has wide application in packaging difficult and heavy products.

Need a SIZE you don't see? We can Customize it!
Ask our dedicated Team to assist in delivering a Specific B flute thickness or Size. For all your CORRUGATED SHEET needs? Click Request Information.

Note: All BC flute Corrugated & Cardboard Sheets are manufactured in strict accordance with ASTM-D-4727 (Formerly #PPP-F-320).