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BINTANGOR (Calophyllum papuanum)
Trade Name
Bintangor
Scientific Name
Calophyllum papuanum Lauterb.
Family
GUTTIFERAE
Common Names
Calophyllum (Papua New Guinea); Calophyllum (Indonesia)
Description Of The Tree
Botanical Description
A medium-sized to large, probably dioecious tree up to 40 m tall with bole up to 90 cm in diameter, usually without buttresses but sometimes with buttresses.
Natural Habitat
C. papuanum is usually a canopy tree of lowland or montane forest. It sometimes grows in swampy forest and occurs up tu 1850 m altitude.
Natural Distribution
The Moluccas (Morotai) and New Guinea.
Plantations Available?
-
Non Timber Uses
-
Wood Identification
Anatomic Description Of Wood
Vessels per mm2 6 to 10 (medium). Wood diffuse porous. Vessels exclusively solitary (over 90%). Occasionally tyloses common. Tangential diameter of vessel lumina 100 to 150 micras (small). Vessel-ray pits coarse in marginal rows. Vascular/vasicentric tracheides Axial parenchyma apparent with the naked eye. Axial parenchyma in thick bands. Occasionally prismatic crystals in non-chambered axial parenchyma cells. Axial parenchyma bands more than 3 cells wide. Rays more than 10 per mm (abundant). Occasionally rays exclusively uniseriate. Occasionally prismatic crystals in the ray cells. Body ray cells procumbent with mostly 2 to 4 rows of upright and/or square marginal cells (Kribs-II). Non-septate fibers. Fibers with simple to minutely bordered pits.
Availability
Cites Status
Unrestricted
General Wood Description
Odor
-
Color
Sapwood pinkish-red, while heartwood reddish-brown.
Grain
Interlocked, spiral and wavy.
Texture
Moderately coarse to coarse, and uneven.
Luster
Present
Natural Durability
Moderately durable under exposed condition.
Natural durability index (1= Very high durability, 7=Vey low durability)
3
Internal Growth Stresses
-
Silica Content
Silica Content: Almost zero
Resistance To Impregnation
Poor to moderately resistant
Wood Physical Properties
Basic Density or Specific Gravity (O.D. weight/vol. green) (g/cm³)
0.54
Air-dry Density (Weight and volume at 12%MC) (g/cm³)
0.59
Drying Defects
Ease of Drying: Seasons well when open stacked after conversion .
Wood Chemical Properties
Wood Mechanical Properties
Bending Strength (MOR),12%MC (kgf/cm²)
1039
Stiffness (MOE) 12%MC (kgf/cm²)
139909
Compression parallel to fiber 12%MC (kgf/cm²)
591
Shear strength radial 12%MC (kgf/cm²)
143
Workability
Sawing
Low to moderate
Rotary Veneer Cutting
Good
Sliced Veneer
Good
Blunting Effect
None, since it is non-siliceous
Machining
Good
Planing
Easy
Moulding
Easy
Boring
Easy
Mortising
Easy
Nailing
Good
Gluing
Good
Sanding
Easy
Finishing
-
Staining
-
Coatings
-
Polishing
Good
Steam Bending
-
Response To Hand Tools
-
Substitute Species
Dark-colored mahogany and/or dark red meranti
REFERENCED USES
End Uses Summary
EXTERIOR GENERAL, poles, HOUSING GENERAL, boards, flooring, parquet, panelling, FURNITURE AND CABINETS, common furniture, cabinets, PLYWOOD AND VENEER, faces, cores, common veneer, PACKING, pallets, NAVAL CONSTRUCTION, boats, boat deck, OTHER AND MUSICAL INSTRUMENTS, pipe, axle, moldings, particleboard
Poles
- 3 - Estudo dendrologico e determinacao das caracteristicas fisicas e mecanicas do genipapo (Genipa americana)
General Housing
- 10 - Silica in Timbers
Boards
- 13 - Dry kiln schedules for commercial woods. Temperate and tropical. Section III. Latin American (Mexico, Central, and South America) Woods–Conventional Temperatures
Flooring
- 14 - Handbook of Hardwoods
Parquet
- 15 - Empire Timbers
Paneling
- 18 - W3TROPICOS Missouri Botanical Garden
Furniture Cabinets
- 21 - Tropical timbers of the world. Part III-Southeast Asian and Oceanian Species.
Furniture, Common
- 23 - Handbook of Hardwoods
Cabinet
- 24 - Empire Timbers
Panels, Veneers
- 25 - Directory of Timber Trade Malaysia
Faces
- 26 - Annual Review and Assessment of the World Timber Situation 1998-ITTO
Cores
- 27 - Embassy of Brazil in Japan
Common Veneer
- 29 - Embassy of Ecuador in Japan
Packing
- 45 - Recopilación y Análisis de Estudios Tecnológicos de Maderas Peruanas
Pallets
- 48 - The strength properties of timbers
Shipbuilding
- 55 - Tropical Timber Atlas of Latin America
Boats
- 56 - Manual de Identificación de Especies Forestales de la Subregión Andina.
Boat Decking
- 59 - Programa Nacional de uso Sostenible de los Bosques e Incremento a las Exportaciones.
Other & Musical Instruments
- 63 - Madeiras do Brazil II
Pipes
- 69 -
Axles
- 73 - Handbook of Hardwoods
Molding
- 79 - Padronização da Nomenclatura Comercial Brasileira das Madeiras Tropicais Amazônicas, Sugestão
Particleboard
- 80 - Estudio Integral de la Madera para Construcción
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