Official Journal of the Japan Wood Research Society
Table 2 Surface roughness and Janka hardness values of the samples
From: Surface quality and hardness of eastern redcedar as function of steaming
Sample type | Density (g/cm3) | Roughness parameters (µm) | Janka hardness (kg) | |
|---|---|---|---|---|
R a | R z | |||
A | 0.482 | 4.65 (0.73)a | 44.39 (5.76) | 379 (39.60) |
B | 0.491 | 5.03 (0.75) | 34.49 (6.74) | 373 (39.40) |
C | 0.479 | 7.06 (0.76) | 48.66 (6.68) | 399 (34.32) |
D | 0.471 | 7.33 (0.80) | 49.48 (7.01) | 409 (28.59) |
E | 0.470 | 7.34 (0.68) | 49.24 (7.89) | 345 (30.01) |
F | 0.463 | 7.43 (0.76) | 51.34 (6.79) | 355 (29.56) |