Thai · Fabaceae family
Siamese Rosewood ไม้พะยูง
Dalbergia cochinchinensis
Extremely hard and heavy, luxurious figure, oily, highly durable (the most valuable of timbers)
The most valuable of timbers, but under strict legal control (a "blood wood") — WisutWood shows it for comparison only
Mechanical properties of Siamese Rosewood
| Property | Value | Data status |
|---|---|---|
| Janka hardness | 10,790 N (2,430 lbf) MC 12% | Standard test result |
| Density | 1,035 kg/m³ MC 12% | Standard test result |
| Bending strength (MOR) | 171 MPa MC 12% | Standard test result |
| Stiffness (MOE) | 16.38 GPa MC 12% | Standard test result |
| Compressive strength parallel to grain | 117 MPa MC 12% | Standard test result |
≈ approximate = a figure for the trade group or plantation-grown timber, not a test result for this species itself · MC = moisture content at testing · Real values vary with the source of the timber, its age and how it was kiln-dried
Durability and working properties
- Durability
- Very durable
- Machining / working
- Workable despite its density · hard to finish and glue (oily) · turns well
Sustainability and sourcing
Siamese Rosewood grows and is planted in Thailand. Using timber with a traceable local source keeps transport short and helps protect trees in natural forest.
This species is legally controlled — felling, trade and export are restricted to protect wild populations. WisutWood neither sells nor prices it, and recommends legal alternatives instead.
Legal alternative woods
Questions about Siamese Rosewood
What is the botanical name of Siamese Rosewood, and what else is it called?
The botanical name of Siamese Rosewood is Dalbergia cochinchinensis. It belongs to the Fabaceae family. Trade names: Siamese Rosewood, Thai Rosewood · Local names: Central Phayung
How hard is Siamese Rosewood?
Janka hardness 10,790 N (2,430 lbf) (MC 12%) · Density 1,035 kg/m³ (MC 12%)
Can Siamese Rosewood be used outdoors?
Suitable for outdoor use · Durability: Very durable
What work is Siamese Rosewood good for?
Heirloom furniture, carving, musical instruments (where the law allows) — Extremely hard and heavy, luxurious figure, oily, highly durable (the most valuable of timbers)
Can WisutWood build my job in Siamese Rosewood?
No — Siamese Rosewood is a legally controlled species. WisutWood shows the data for study and comparison only, and neither sells nor prices it. Legal alternatives we recommend: Rubberwood glued panel Sadao Thiam Legal note: ⚠️ CITES Appendix II and a specially reserved species in Thailand — trade and export are prohibited (finished goods included) · shown for educational comparison only, not offered for sale
