Appearance |
Varies by species; typically straight-grained with visible rings |
Color |
Light to dark brown, reddish, yellowish, or pale (varies by species) |
Odor |
Mild to strong (some species have distinctive scents, e.g., cedar) |
Texture |
Fine to coarse, depending on species |
Density |
300 – 900 kg/m³ (softwood to hardwood range) |
Moisture Content (Air-Dry) |
8% – 20% |
Hardness (Janka) |
1,000 – 5,000 N (varies widely by species) |
Grain |
Straight, interlocked, wavy, or spiral |
Specific Gravity |
0.3 – 0.9 |
Shrinkage (Green to Oven-Dry) |
2% – 12% depending on species and orientation |
Modulus of Elasticity |
6,000 – 16,000 MPa |
Modulus of Rupture |
40 – 150 MPa |
Durability |
Low to high (varies by species and treatment) |
Workability |
Easy to difficult (depends on grain and hardness) |