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| TYPE | International Code | size | Thickness(cm) |
| CORRUFATED TYPE | SB4015C | 15X4 | 2.5 |
| SB4215C | 15X4 1/4 | 2.5 | |
| SB4415C | 15X41/2 | 2.5 | |
| SB4020C | 20X4 | 2.5 | |
| SB4220C | 20x41/4 | 2.5 | |
| SB4420C | 2OX41/2 | 2.5 | |
| SB4022C | 22X4 | 2.5 | |
| SB4222C | 22X41/4 | 2.5 | |
| SB4422C | 22X41/4 | 2.5 | |
| FLAT TYPE | SB4015K | 15X4 | 3.5 |
| SB3320K | 2OX3 3/8 | 3.5 | |
| SB3520K | 2OX3 5/8 | 3.5 | |
| SB4020K | 20X4 | 3.5 | |
| SB4220K | 20x41/4 | 3.5 | |
| SB4420K | 2OX4 1/2 | 3.5 | |
| SB3322K | 22X33/8 | 3.5 | |
| SB3522K | 22X 3 5/8 | 3.5 | |
| SB4022K | 22X4 | 3.5 | |
| SB4222K | 22X41/4 | 3.5 | |
| SB4422K | 22X41/2 | 3.5 | |
| HOLE TYPE | SB4015R | 15X4 | 4.5 |
| SB4020R | 20X4 | 4.5 | |
| SB4220R | 2OX41/4 | 4.5 | |
| SB4420R | 2OX41/2 | 4.5 | |
| SB4022R | 22X4 | 4.5 | |
| SB4222R | 2OX41/4 | 4.5 | |
| SB4422R | 22X4 1/2 | 4.5 |
