CARDBOARD CORRUGATED
Thickness Of Corrugated Cardboard
A Flute
A flute is the thickest flute. It has a thickness of 5mm or ¼ inch. It is used to pack fragile items that require extra cushioning and protection. It is also used to pack heavy items because of its strength.
C Flute
The thickness of the C flute is 3.5 millimeters or 3/16 inch. C flute is mostly used for shipping boxes. Just like B flute it also offers a great surface on which you can print anything that you want while protecting your products.
B Flute
B Flute has a middle level of thickness. It has a thickness of 3.2 millimeters or ⅛ inch. It offers a great surface for printing and finishing. In addition, it is also very durable to safeguard your fragile products.
E Flute
E flute corrugated board is a thin yet sturdy paperboard material, measuring approximately 1.5mm to 2mm (0.0625 inches) thick. It has around 94 flutes per linear foot, giving it a very smooth surface that is ideal for high-quality graphics printing without compromising on cushioning properties.
What Are Flutes?
Flutes in corrugated cardboard refer to the wave-like arched sections between the flat linerboard layers that provide strength, cushioning, and insulation properties to the packaging material.
F Flute
F flute is the thinnest of all flutes. Its thickness is 0.8mm or 1/32 inches. It is mostly used by businesses that want to maintain their style while providing great protection for their products. It is one of the best flutes for printing and finishing.