| Standards | Typical Caliper (mm) (i.e. Thickness) |
Section | |
| Single-face corrugated board |
E Flute B Flute C Flute A Flute |
1.1 – 1.8 2.1 – 3.0 3.2 - 3.9 4.0 - 4.8 |
|
| Double-wall corrugated board |
EB Flute BC Flute CC Flute |
4.06 6.50 7.33 |
|
| Triple-wall corrugated board |
AAC Flute | 15 | 
|
| Single-wall | B flute Brown Carton |
B flute White Carton |
E flute Color Box |
Weakest
Strongest |
B33 B3B A3B A3A K3A K3K |
W3B ↓ W3A ↓ W3K |
300G CCNB +9B ↓ 300G CCNB +9A ↓ 300G CCNB +9K |
| Double-wall | BC flute Brown Carton |
BC flute White Carton |
BC flute Color Box |
| Weakest
Strongest |
B=C B=B A=B K=A K=K |
W=B ↓ W=A ↓ W=K |
300G CCNB +3B+3B ↓ 300G CCNB +3A+3A ↓ 300G CCNB +3K+3K |
| Three-wall | AAC flute Brown Carton |
||
| Weakest
Strongest |
A33B33B A33A33A K33A33A K33K33K |