Table 7.
Handsheet properties of BS soda pulp blended with TOCC.
| Sample (BS: TOCC) | CSF (mL) | Tensile index (N m/g) | Burst index (kPa m2/g) | Ring crush index (kgf m2/g) | Bulk (cm3/g) | |
|---|---|---|---|---|---|---|
| BS | TOCC | |||||
| 100 | 0 | 350 | 43.40 ± 1.52c | 2.54 ± 0.06d | 12.86 ± 0.51c | 2.08 ± 0.03c |
| 50 | 50 | 395 | 30.15 ± 0.95a | 1.68 ± 0.05c | 10.66 ± 0.44b | 2.00 ± 0.03b |
| 0 | 100 | 385 | 28.62 ± 1.70a | 1.03 ± 0.05a | 9.29 ± 0.04a | 1.79 ± 0.06a |
| JOCC | 405 | 32.85 ± 2.063b | 1.37 ± 0.09b | 10.24 ± 0.32 b | 1.76 ± 0.03a | |
| The quality requirement standard for corrugated board paper in CNS | ||||||
| Corrugating medium (CNS 1455 B-grade) | – | > 29.43 | – | > 7 | – | |
| Liner board (CNS 2955 C-grade) | – | – | 2.0 | > 10 | – | |
Comparison of the data for different groups was performed by using Turkey’s HSD test. The significant level is set at p ≤ 0.05; Group a < b < c < d.