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Blunting Effect
Boring
Carving
Common Names
Common Uses
Countries of Distribution
Cutting Resistance
Distribution Overview
Drying Defects
Ease of Drying
Environmental Profile
Gluing
Grain
Heartwood Color
Kiln Drying Rate
Luster
Mortising
Moulding
Movement in Service
Nailing
Natural Durability
Numerical Data
Odor
Painting
Planing
Polishing
References
Regions of Distribution
Resistance to Impregnation
Response to Hand Tools
Routing & Recessing
Sanding
Sapwood Color
Scientific Name
Screwing
Staining
Steam Bending
Texture
Trade Name
Tree Size
Turning
Varnishing
Veneering Qualities

Scientific Name
Dracontomelum sp.

Trade Name
Sengkuan

Family Name

Wood Image 1

Wood Image 1

Common Names
Damoni, Dao, Dorea, Lamio, Loup, New Guinea walnut, New Guineawood, Paldao, Sengkuan

Regions of Distribution
Oceania and S.E. Asia

Countries of Distribution  [VIEW MAP]
Indonesia, Malaysia, Papua New Guinea, Philippines

Common Uses
Bedroom suites, Building materials, Cabinetmaking, Chairs, Chests, Concealed parts (Furniture), Decorative veneer, Desks, Dining-room furniture, Domestic flooring, Dowell pins, Dowells, Drawer sides, Drum sticks, Excelsior, Factory flooring, Figured veneer, Fine furniture, Floor lamps, Flooring, Furniture , Furniture components, Furniture squares or stock, Gunstocks, Hatracks, Interior construction, Interior trim, Joinery, Kitchen cabinets, Living-room suites, Moldings, Musical instruments , Office furniture, Organ pipes, Paneling , Parquet flooring, Piano keys, Pianos , Radio - stereo - TV cabinets, Rifle stock, Turnery

Environmental Profile
Status unknown due to inadequate information
Status has not been officially assessed


Distribution Overview
Widely distributed in Southeast Asia and the Southwest Pacific Islands, including New Guinea, Australia and the Philippines.

Heartwood Color
White
Yellow
Orange
Orangish cast
Grey brown
Dark brown with black bands

The heartwood has a gray-brown background color with an orange cast. The surface shows irregular, dark brown to black banding

Sapwood Color
White
Yellow
Wide
Pinkish
Pale yellow
Grey
Clearly differentiated from the heartwood


Grain
Closed
Interlocked
Figure
Wavy
Stripe (figure)

Striped figure
Moderately interlocked and wavy

Quartersawn surfaces produce a broken striped figure

Texture
Fine
Medium
Even or uniform
Uniform
Medium
Even textured


Luster
Medium
Low
High
Lustrous


Natural Durability
Susceptible to insect attack
Non-durable
Non-resistant to powder post beetles
Non-resistant to termites
Perishable
Moderately durable
Non-resistant to marine borers
Susceptible to attack by marine borers
Moderately resistant to attack by termites
Heartwood resistant to decay


Odor
Has an odor
No specific smell or taste


Drying Defects
Splitting
Distortion
Checking
Discoloration
Collapse
Internal Honeycombing Possible
Thinner stock may warp
Rapid drying may cause distortion and checking


Ease of Drying
Fairly Easy
Rapidly
Reconditioning Treatement
Requires special attention
Material in smaller dimensions requires care to minimize degrade
Dries well under good controlled conditions


Kiln Drying Rate
Naturally dries quickly
Drying rate is fairly rapid to fast


Tree Size
Tree height is 60-70 m
Bole length is 20-30 m
Trunk diameter is 200-250 cm
Trunk diameter is 100-150 cm
Trunk diameter is 250-300 cm
Trunk diameter is 150-200 cm
Tree height is 50-60 m
Tree height is 40-50 m
Tree height is 30-40 m
Bole length is 10-20 m
Tree height is 20-30 m
Bole length is 30-40 m


Stems are straight and well-formed, with merchantable lengths of 65 to 80 feet (22 to 24 m)

Blunting Effect
Little
Medium dulling effect on cutting edges


Boring
Fairly easy to very easy
Fair to good results


Carving
Fair to Good Results
Fairly Easy to Very Easy


Cutting Resistance
Easy to saw
Fairly Difficult to Very Difficult to saw
Moderate to saw
Easy to saw

Resistance to cutting is low, and the wood saws without difficulty.

Gluing
Fairly Easy to Very Easy
Fair to Good Results
Satisfactory gluing properties


Mortising
Fair to Good Results
Fairly Easy to Very Easy


Moulding
Fair to Good Results
Fairly Easy to Very Easy


Movement in Service
Excellent Stability - Small Movement
Fair to Good Stability - Medium Movement
Medium


Nailing
Fairly Easy to Very Easy
Fair to Good Results
Very Good to Excellent Results
Good nailing characteristics


Planing
Fair to Good Results
Fairly Easy to Very Easy
Very Good to Excellent Results
Special attention required
Responds well to hand and machine tools
Moderate blunting effect on cutting edges
Easy to plane

Tools should be kept very sharp in order to obtain smooth, clean surfaces

Resistance to Impregnation
Permeable heartwood
Permeable sapwood
Resistant to preservative treatment


Response to Hand Tools
Easy to Work
Responds Readily


Routing & Recessing
Fair to Good Results
Very Good to Excellent Results
Fairly Easy to Very Easy


Sanding
Fair to Good Results
Fairly Easy to Very Easy
Very Good to Excellent Results


Screwing
Fairly Easy to Very Easy
Fair to Good Results
Good screwing properties


Turning
Fair to Good Results
Fairly Easy to Very Easy
Very Good to Excellent Results


Veneering Qualities
Suitable for peeling
Veneers easily
Veneers moderately easy
Suitable for slicing


Steam Bending
Poor to Very Poor Results
Fairly Difficult to Very Difficult
Moderate


Painting
Fair to Good Results
Fairly Easy to Very Easy


Polishing
Fair to Good Results
Poor to Very Poor Results
Very Good to Excellent Results
Fairly Difficult to Very Difficult
Satisfactory results


Staining
Fair to Good Results
Very Good to Excellent Results
Fairly Easy to Very Easy
Satisfactory staining properties


Varnishing
Fairly Easy to Very Easy
Fair to Good Results
Very Good to Excellent Results


Numerical Data
ItemGreenDryEnglish
Bending Strength933012936psi
Density37lbs/ft3
Hardness960lbs
Maximum Crushing Strength43616811psi
Stiffness134817051000 psi
Toughness327inch-lbs
Specific Gravity0.46
Weight3629.lbs/ft3
Radial Shrinkage4%
Tangential Shrinkage7%
ItemGreenDryMetric
Bending Strength655909kg/cm2
Density592kg/m3
Hardness435kg
Maximum Crushing Strength306478kg/cm2
Stiffness941191000 kg/cm2
Toughness376cm-kg
Specific Gravity0.46
Weight576464.kg/m3
Radial Shrinkage4%

References
Bolza, E., Kloot, N. H. 1966. The Mechanical Properties of 81 New Guinea Timbers. Technological Paper No. 41. Division of Forest Products, Center for Scientific and Industrial Organization (CSIRO, Melbourne, Australia.

Desch, H. E. 1957. Manual of Malayan Timbers - Volume I. Malayan Forest Records, No. 15. Malaya Publishing House Ltd., Singapore.

Keating, W.G., Bolza, E.,1982,Characteristics properties and uses of timbers. South East Asia, Northern,Australia and the Pacific,C.S.I.R.O. Div. Chemical Technology,Inkata Press,1

Lincoln, W.A. 1986. World Woods in Color. Linden Publishing Co. Inc., Fresno, California.