A-flute: original fluting for corrugated boxes, thickest with highest arch size, good for fragile/delicate items, 36 flutes per foot.
B-flute: used for food/retail/customized print packaging, second highest arch size, good stacking strength and crushing resistance, good for canned goods and POP displays, 49 flutes per foot.
C-flute: most commonly used corrugated box flute, good cushioning/stacking/printing properties, used for shipping/corrugated box display packaging, good for glass/furniture/dairy, 41 flutes per foot.
E-flute: second most commonly used corrugated box, eco-friendly, used to print high quality print graphics, used for die-cut boxes and retail/printed corrugated box packaging, good for cosmetic/ceramic/pizza boxes, 90 flutes per foot.
F-flute: small/tighter, eco-friendly/lower fibre content packaging, looks of high value, provides solid structure, used for custom printed boxes and retail packaging, good for cosmetic/jewelry/shoe boxes, 128 flutes per foot.
Have you ever noticed the type of the flute when you buy anything packaged in corrugated box?