Cardboard thickness and material
Cardboard thickness and material
Basic corrugated cardboard is made of 3 layers: one
corrugated and two flat layers.
Cardboard strength changes by changing the material of
papers.
The height of the corrugated layer is different
A flute :
5 mm thick
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A-Flute is a commonly used corrugated cardboard sheet in Japan that has high impact absorption and is suitable for packaging of light-weight and easy-to-use items.
Used for Moving, transportation box
B Flute :
3 mm thick
B-Flute is the flat compression strength is stronger than A flute, and it is suitable for packing a hard thing.
Usually used for Packaging boxes for food cases and machine parts.
C Flute :
4mm thick
C-flute is the most widely used flute size.
C-Flute is ideal for stacking and is generally used for packaging furniture and glass products
E flute :
1.5 mm thick
E-Flute is ideal for printing because surface is smoother than other flutes.
It is the second most commonly used corrugated box used for cosmetics and skincare packaging.
F Flute :
1.1mm thick
F-flute is for small retail packaging and an environmentally friendly replacement to folding cartons.
Used for custom printed boxes, printed corrugated boxes, and retail packaging.
G Flute :
0.9 mm thick
G-Flute can be printed directly with an offset printing press.
W Flute :
8mm thick
W-Flute is a cardboard of 5 layers in the structure where A / F and B / F were pasted together.
Used for heavy items, exporting box.
Two Layer
AA stage : 10 mm thick
AA flute is two A flute pasted together.
It is used for heavy items packing.
Three
Layer AAA Stage : 15 mm thick
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AAA is 6 to 10 times stronger than other general cardboard
| Flute designation | Flutes per linear foot | Flute thickness (in) | Flutes per linear meter | Flute thickness (mm) |
|---|---|---|---|---|
| A flute | 33 +/− 3 | 3⁄16 | 108 +/− 10 | 4.8 |
| B flute | 47 +/− 3 | 1⁄8 | 154 +/− 10 | 3.2 |
| C flute | 39 +/− 3 | 5⁄32 | 128 +/− 10 | 4.0 |
| E flute | 90 +/− 4 | 1⁄16 | 295 +/− 13 | 1.6 |
| F flute | 125 +/− 4 | 1⁄32 | 420 +/− 13 | 0.8 |
If you have any questions, please do not hesitate to ask.
from Jay Enterprises Limited