05/29/2026
🚨🚨 MACK FACTS: "What The Flute!" 🚨🚨
Corrugated flutes are an essential component of packaging materials. There are five main types of flutes: A, B, C, E, and F. These flutes vary in thickness, ranging from 0.8 millimeters to 5 millimeters. While the names of the flutes may suggest a size order, they are named based on the order in which they were invented, with A being the first and F being the latest.