Darah darah (Myristica sp.)
Family: Juglandaceae
Common names: Darah darah, Duguan, Kaudamu, Kumpang, Malaboda, Mutwinda, Nutmeg, Penarahan, Tambolau
Distributed in: Fiji, Malaysia, Myanmar, Papua New Guinea, Philippines (Oceania and S.E. Asia)
Distribution overview: Various species in the Myristica genus are reported to occur in the Indo-Malayan region, Indonesia, the Philippines, and Western Pacific Islands.
Common uses: Bedroom suites, Building materials, Cabinetmaking, Chairs, Chests, Concealed parts (Furniture), Core Stock, Decorative plywood, Decorative veneer, Desks, Dining-room furniture, Dowell pins, Dowells, Drawer sides, Excelsior, Figured veneer, Fine furniture, Floor lamps, Framing, Furniture , Furniture components, Furniture squares or stock, General carpentry, Hatracks, Interior construction, Interior trim, Joinery, Kitchen cabinets, Living-room suites, Moldings, Office furniture, Plain veneer, Plywood, Radio - stereo - TV cabinets, Rustic furniture, Stools, Structural plywood, Tables , Turnery, Utility furniture, Veneer
Product sources: Myristica fragrans is cultivated commercially for its seed kernels (nutmegs).
Environment profile: Status has not been officially assessed
Tree size: Trunk diameter is 100-150 cm
Colors: the heart isReddish brown, Yellowand the sapwoodWhite, Yellow.The grain isStraight, the textureSlightly coarse. and the lusterSomewhat lustrous
Natural durability: Sapwood is vulnerable to attack by powder-post beetles , Susceptible to insect attack
Odor: No specific smell or taste
Kiln Schedules: T10 - D4S (4/4) US/T10 - D4S (4/4) U
Kiln Drying Rate: Rapid
Drying Defects: Splitting, Thinner stock may warp
Ease of Drying: Slowly
Blunting Effect: Moderate
Boring: Good (75+ pieces out of 100 will yield good to excellent results)
Carving: Good results
Cutting Resistance: Low cutting resistance
Gluing: Fairly Easy to Very Easy
Mortising: Yields clean surfaces
Moulding: Yields clean surfaces
Movement in Service: Yields clean surfaces
Nailing: Tends to split during nailing, Very Good to Excellent
Planing: Yields smooth surfaces
Resistance to Impregnation: Very good response to preservative treatment
Response to hand tools: Responds well to hand tools
Routing recessing: Routing is easy
Sanding: Very Good to Excellent Results
Veneering qualities: Veneers easily, Veneers moderately easy
Steam bending: Poor to Very Poor Results
Screwing: Pre-boring recommended
; Turning: Yields fairly smooth surfaces
Polishing: Very Good to Excellent; Staining: Fair to Good; Varnishing: Very Good to Excellent;
- Numerical data Metric
- Numerical data English
- Strength properties
- References
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Item |
Green |
Dry |
Metric |
Specific Gravity |
0,47 |
0,54 |
|
Density |
|
624 |
kg/m3 |
Bending Strength |
414 |
635 |
kg/cm2 |
Crushing Strength |
212 |
340 |
kg/cm2 |
Hardness |
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kg |
Impact Strength |
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cm |
Shearing Strength |
|
53 |
kg/cm2 |
Stiffness |
76 |
90 |
1000 kg/cm2 |
Tangential Shrinkage |
7 |
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% |
Radial Shrinkage |
5 |
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% |
Weight |
913 |
592 |
kg/m3 |
Maximum Load |
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cm-kg/cm3 |
Toughness |
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cm-kg |
Static Bending |
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kg/cm2 |
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| | | | Item | Green | Dry | English | Bending Strength | 5900 | 9036. | psi | Density | | 39 | lbs/ft3 | Maximum Crushing Strength | 3018 | 4837. | psi | Shearing Strength | | 755 | psi | Stiffness | 1084 | 1281. | 1000 psi | Specific Gravity | 0.47 | 0.54 | | Weight | 57 | 37 | lbs/ft3 | Radial Shrinkage | 5 | | % | Tangential Shrinkage | 7 | | % | Volumetric Shrinkage | 12 | | % | |
The species has average, or medium, density. The weight is high. The wood has high density.
Chudnoff, M.,1984,Tropical Timbers of the World,U.S.A. Department of Agriculture, Forest Service, Forest Products,Laboratory, Madison.Eddowes, P.J. 1977. Commercial Timbers of Papua New Guinea - Their Properties and Uses. Forest Products Research Center, Office of Forests, Department of Primary Industry, Papua New Guinea.Kloot, N. H. and E. Bolza.1961.Properties of Timbers Imported into Australia.Technological Paper No. 12.Division of Forest Products, Commonwealth Scientific & Industrial Research Organization, Melbourne, Australia.
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