| Species: | |
| Kwila | |
| Botanical Name: | Intsia Bijuga |
| Local Name: | Kwila |
| Trade Name: | Kwila/Merbau |
| Appearance: |
Heartwood - yellow - golden brown through to dark brown. Sapwood - pale yellow and distinct from heartwood. Grain can be interlocked moderately course but even. Vessels contain a yellow substance which stains concrete. Contact with steel produces a black stain. Timber is greasy to touch.
| Properties: | |
| Density: | 700/850 kilograms per cubic metre at 12% moisture content. |
| Strength Group: | (S2) unseasoned. (SD3) seasoned. |
| Stress Grade: | Visually graded to AS2082-2000. Structural Grade 1 GOS F22 Structural Grade 1 KD F27 |
| Shrinkage to 12% MC: | 1.5% Radial 2.5% Tangential. |
| Durability: | Class 1/2. Durable for external use. |
| Hardness: | Hard. Rated 2 on scale 1 to 6. |
| Machines: | With some difficulty. |
| Fixing: | May require pre boring. Holds nails and screws well. | Glue: | Reasonable | Finishing: | Sanding dust can be an irritant. Accepts stains and paints. |
| USES: |
Timber flooring, timber decking, boat building, timber joinery, timber panelling, furniture.