BINTANGOR (Calophyllum pulcherrimum)
Trade Name
Bintangor
Scientific Name
Calophyllum pulcherrimum Wallich ex Choisy
Family
GUTTIFERAE
Common Names
Bintangor gasing (Malaysia); Mentangur perit (Indonesia); Bintangur onjem (Indonesia)
Description Of The Tree
Botanical Description
A medium-sized tree up to 30 m tall with bole up to 45 m in diameter, usually without buttresses but rarely buttresses present.
Natural Habitat
The tree usually grows in mixed dipterocarp forest up to 300 m altitude.
Natural Distribution
Peninsular Malaysia, southern Sumatra, Bangka, Belitung, Kalimantan and Sarawak (Borneo).
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
Heartwood is red-brown, pink-brown or orange-brown, while the sapwood is yellow-brown with a pink tinge and well defined.
Grain
Interlocked, spiral or wavy.
Texture
Moderately coarse to coarse, and uneven.
Luster
Exist
Natural Durability
The timber is not durable and not resistant to dry-wood termites.
Natural durability index (1= Very high durability, 7=Vey low durability)
4
Internal Growth Stresses
-
Silica Content
Silica Content: -
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: Air-and-klin seasoning offer no defficultry
Wood Chemical Properties
Wood Mechanical Properties
Bending Strength (MOR),12%MC (kgf/cm²)
780
Stiffness (MOE) 12%MC (kgf/cm²)
138788
Compression parallel to fiber 12%MC (kgf/cm²)
408
Shear strength radial 12%MC (kgf/cm²)
71
Janka hardness (end grain) 12%MC (kgf)
445
Workability
Sawing
Moderately resistant to cut
Rotary Veneer Cutting
Good
Sliced Veneer
Good
Blunting Effect
None, since it is non siliceous.
Machining
Good
Planing
Easy to moderately difficult
Moulding
Easy
Boring
Easy, but sometimes liable to burning.
Mortising
Easy, but sometimes liable to burning.
Nailing
Moderate to poor
Gluing
Good
Sanding
Easy
Finishing
-
Staining
-
Coatings
-
Polishing
Good
Steam Bending
-
Response To Hand Tools
-
Substitute Species
Red meranti
REFERENCED USES
End Uses Summary
EXTERIOR GENERAL, bridges, poles, rails, HOUSING GENERAL, boards, flooring, parquet, frames, panelling, FURNITURE AND CABINETS, common furniture, cabinets, PLYWOOD AND VENEER, faces, Decorative veneer, PACKING, pallets, NAVAL CONSTRUCTION, boats, boat deck, OTHER AND MUSICAL INSTRUMENTS, pipe, axle, moldings, particleboard
Bridges
- 2 - 25 madeiras da amazonia de valor comercial, caracterizacao, macroscopica, usos comuns e indices qualificativos
Poles
- 3 - Estudo dendrologico e determinacao das caracteristicas fisicas e mecanicas do genipapo (Genipa americana)
Rails
- 6 - Physical and mechanical properties of Eucalyptus deglupta Blume grown in Costa Rica
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
Frames
- 16 - Woods of the World
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
Decorative veneer
- 28 - Ministry of Agriculture, Fisheries & Forest of Fiji
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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