Diagram of an air conditioner between top and bottom EPS foam protectors linked by four paper angle columns, with a four-position top view; illustrative, not an OEM packaging drawing

Four Paper Angle Columns in A/C Packaging: EPS Support and Test Guide

Four paper angle columns connect the top and bottom EPS foam protectors around an A/C unit. A practical guide to contacts, axial loading, clearances and finished-package distribution testing.

September 27, 2026 · PackingMaster