Topic · 9 posts

Guides

Everything we've written under Guides. In-depth, no fluff, from a team that handles used boxes every day.

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OCC is the recycling grade that most cardboard becomes at the end. A look at how a bale is made, graded and valued — and why cleanliness pays.

Marisol Vega · 7 min read

Cold and damp are corrugated’s two hardest tests, and the cold chain serves both at once. Here is what survives the fridge and the freezer.

Dev Okonkwo · 6 min read

Walls, flaps, footprints and liners — a part-by-part tour of the humble bulk bin that quietly moves a huge share of American goods.

Hannah Pruitt · 7 min read

From pulp to finished sheet, the making of corrugated is a story of heat, geometry and glue. Understanding it explains why reuse matters so much.

Theo Grant · 7 min read

Two numbers claim to tell you how strong a box is, and they measure completely different things. Here is when to trust each.

Hannah Pruitt · 6 min read

The wavy layer inside corrugated is called the flute, and its size changes everything about how a box behaves. A tour of the alphabet.

Hannah Pruitt · 7 min read

That little stamp on a pallet is the difference between smooth export and a rejected shipment. Here is what ISPM-15 requires and why.

Dev Okonkwo · 6 min read

Corrugated does not need to get rained on to fail. Ambient humidity alone can quietly strip a box of its strength. Here is how to protect yours.

Hannah Pruitt · 6 min read

Grade A, B and C are not vibes — they are a repeatable read of four physical signals. Here is exactly what our graders look at.

Hannah Pruitt · 7 min read