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Andaman gurjunAndaman gurjun
Andaman gurjun (Dipterocarpus grandiflorus)

Family: Dipterocarpaceae

Common names: Andaman gurjun, Apitong, Bagac, Bebe, Dau, Eng, Heng, Huevos de gato, Indian gurjun, Keruing, Lagan, Lagunero, Mututi, Nogal falso, Palo de pollo, Pau sangua, Philippine gurjun, Sangre, Sangre de drago, Sangrillo, Yang

Distributed in: India, Indonesia, Malaysia, Myanmar, Philippines, Vietnam (Oceania and S.E. Asia)

Distribution overview: Dominanat in primary forests; occupies the drier ridges in the lower hill dipterocarp forest. Endemic to the Philippines in Mindoro, Luzon, Palawan, Sibuyan, Biliran, Samar, Panay, Negros and Mindanao. It is one of the most widely distributed and abundant woods in the islands. Also in Indonesia, Sumatra and Java.

Common uses: Beams, Bridge beams, Bridge construction, Bridge joists, Building construction, Cabin construction, Chairs, Chests, Concealed parts (Furniture), Concrete formwork, Construction, Decks, Desks, Dining-room furniture, Docks, Dockwork, Domestic flooring, Dowell pins, Dowells, Drawer sides, Factory construction, Factory flooring, Fine furniture, Floor lamps, Flooring, Form work, Foundation posts, Framing, Furniture , Furniture components, Furniture squares or stock, Hatracks, Heavy construction, Joists, Kitchen cabinets, Light construction, Living-room suites, Marine construction, Piling, Poles, Vehicle parts

Product sources: Various species in the genus are usually mixed and marketed together. Timbers from Malaysia are highly variable in properties.

Environment profile: Vulnerable in parts of its natural habitat

Tree size: Trunk diameter is 150-200 cm

Colors: the heart isReddish brown, Yellowand the sapwoodWide, Yellow.The grain isStraight to shallowly interlocked, the textureModerately coarseand the lusterNon-lustrous

Natural durability: Susceptible to attack by marine borers, Susceptible to termite attack

Odor: Strong resinous smell associated with freshly cut wood

Silica Content: Likely to have significant impact on machining

Kiln Schedules: T3 - D2 (4/4); T3 - D1 (8/4) US

Drying Defects: Drying at high temperatures may cause resin exudation, Warping can be expected

Ease of Drying: Thick Stock Requires Care

Blunting Effect: Little

Boring: Very good to excellent results

Carving: Fairly Easy to Very Easy

Cutting Resistance: Saw teeth blunted rapidly and severely by some stock

Gluing: Fairly difficult to glue

Mortising: Fairly Easy to Very Easy

Moulding: Fairly Easy to Very Easy

Movement in Service: Fairly Easy to Very Easy

Nailing: Satisfactory nailing properties

Planing: Straight grained and easy to work in most machining operations

Resistance to Impregnation: Sapwood is moderately resistant

Routing recessing: Fairly Easy to Very Easy

Sanding: Good sanding properties

Steam bending: Steaming accompanied by severe resin exudation

Turning: Wood may chip and break off on fine edges

Painting: High resin exudation makes painting/finishing difficult ; Polishing: Very Good to Excellent; Staining: Resin exudation interferes with most surface finishing treatments ; Varnishing: Resin exudation affects varnishing qualities ;

  • Numerical data Metric
  • Numerical data English
  • Strength properties
  • References
Item Green Dry Metric
Specific Gravity 0,6 0,68
Density 705 kg/m3
Bending Strength 658 1283 kg/cm2
Crushing Strength 49 85 kg/cm2
Hardness 739 kg
Impact Strength cm
Shearing Strength 129 kg/cm2
Stiffness 134 184 1000 kg/cm2
Tangential Shrinkage %
Radial Shrinkage %
Weight kg/m3
Maximum Load cm-kg/cm3
Toughness 425 cm-kg
Static Bending 374 788 kg/cm2
Item Green Dry English
Bending Strength 9372 18259 psi
Crushing Strength 699 1223 psi
Density 44 lbs/ft3
Hardness 1631 lbs
Maximum Crushing Strength 4505 9528 psi
Shearing Strength 1837 psi
Static Bending 5324 11213 psi
Stiffness 1912 2631 1000 psi
Toughness 369 inch-lbs
Specific Gravity 0.6 0.68
Weight 44 36. lbs/ft3


Chowdhury, K.A. and S.S. Ghosh. 1958. Indian Woods - Their Identification, Properties and Uses, Volume I - Dilleniaceae to Elaeocarpaceae. Published by the Manager of Publications, Delhi, India.Chudnoff, M.,1984,Tropical Timbers of the World,U.S.A. Department of Agriculture, Forest Service, Forest Products,Laboratory, Madison.HMSO.1972.Handbook of Hardwoods, 2nd Edition.Revised by R.H. Farmer.Department of the Environment, Building Research Establishment, Princes Risborough Laboratory, Her Majesty's Stationery Office, London.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,1Kloot, 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.Lincoln, W.A. 1986. World Woods in Color. Linden Publishing Co. Inc., Fresno, California.WCMC.1992.Conservation Status Listing - Trees and Timbers of the World.World Conservation Monitoring Center - Plants Programme, Cambridge, CB3 ODL, United Kingdom.
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