Compression Strength

Industrial paper cores and paper tubes used to wind film, fabric, paper, and label stock are not simple cylindrical packaging; they are load-bearing components supporting production, storage, and transport. This post explains how to organize a purchase specification around inner diameter, outer diameter, wall thickness, length, compression strength, moisture conditions, edge reinforcement, and test documentation.

A practical guide to reading and applying ECT, BCT, and the McKee formula at the quoting stage. Covers compression strength calculations, stacking load, safety factors, humidity effects, and pallet conditions using real-world calculation tables.

A practical checklist for purchasing, sales, and quality teams to understand flute selection, board grades, and compression strength before requesting a corrugated packaging quotation.