NEOSCORTECHINIA (Neoscortechinia forbesii)
Trade Name
Neoscortechinia
Scientific Name
Neoscortechinia forbesii Hook. f. ex S. Moore
Family
EUPHORBIACEAE
Common Names
Kir (West Irian); Kir (Indonesia); Mansambree (West Irian); Wolok (West Irian); Wolok (Indonesia); Mansambree (Indonesia)
Description Of The Tree
Botanical Description
It is an evergreen, dioecious, small to fairly large tree up to 36 m tall. The bole is often irregular, branchless for up to 24 m, up to 100 cm in diameter. It is often fluted or channeled and/or with short to steep buttresses at base.
Natural Habitat
This common and often gregarious tree occurs in primary rain forests on ridges and ridge sites, from low altitudes to 1,500 m of altitude.
Natural Distribution
Throughout New Guinea and Solomon Islands and known from Malaysia, Kalimantan, Borneo, Sumatra, the Philippines and Moluccas( Maluku Islands).
Wood Identification
Anatomic Description Of Wood
Wood diffuse porous. Vessels per mm2 5 to 20. Simple perforation plates. Intervessel pits large, 10 micras or more. Apotracheal axial parenchyma diffuse and/or diffuse in aggregates. Occasionally apotracheal axial parenchyma diffuse and/or diffuse in aggregates. Occasionally prismatic crystals in chambered axial parenchyma cells and/or in fibers. 5 to 8 cells per parenchy Rays more than 10 per mm (abundant). Prismatic crystals in radial alignment in procumbent ray cells (chambered cells). Body ray cells procumbent with over 4 rows of upright and/or square marginal cells (Kribs-I). Occasionally body ray cells procumbent with m Occasionally fibers with distinctly bordered pits.
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Wood Macro Photo Tangential Plane
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Wood Micro Photo Of Transversal Section
Availability
Cites Status
Unrestricted
General Wood Description
Odor
It has no taste or odor.
Color
The sapwood and heartwood are not clearly differentiated. The wood varies from cream to straw-colored, darkening after exposure.
COLOR INDEX (1=Black, 7=Light yellow,white)
5
Grain
The grain is straight or interlocked
Texture
The texture varies from fine to medium.
Luster
The wood surface is somewhat lustrous.
Natural Durability
The sapwood and heartwood are liable to blue stain and susceptible to termites.
Natural durability index (1= Very high durability, 7=Vey low durability)
3
Resistance To Impregnation
The sapwood is permeable, the heartwood is moderately resistant to impregnation.
Wood Physical Properties
Basic Density or Specific Gravity (O.D. weight/vol. green) (g/cm³)
0.66
Air-dry Density (Weight and volume at 12%MC) (g/cm³)
0.73
Total shrinkage Tangential (Saturated to 0%MC) (%)
7.0
Total shrinkage Radial (Saturated to 0%MC) (%)
3.5
Drying Defects
Ease of Drying: Seasoning is generally easy and rapid with little degrade. Drying Defects: Risk of moderate warping. Kiln Schedules: Kiln drying is fairly rapid under moderate schedules.
Dimensional stability ratio (Total Tangential Shrinkage %/Total Radial Shrinkage %)
2.0
Wood Chemical Properties
Wood Mechanical Properties
Bending Strength (MOR),12%MC (kgf/cm²)
1121
Stiffness (MOE) 12%MC (kgf/cm²)
149691
Compression parallel to fiber 12%MC (kgf/cm²)
680
Compression perpendicular to fiber 12%MC (kgf/cm²)
89
Shear strength radial 12%MC (kgf/cm²)
138
Janka hardness (side) 12%MC (kgf)
736
Janka hardness (end grain) 12%MC (kgf)
954
Workability
Sawing
Sawing of this wood is reported to be easy to fair.
Rotary Veneer Cutting
It is reported to be useful for veneer cores.
Sliced Veneer
It is reported to be useful for veneer cores.
Machining
This species is easy to machine.
Turning
30
Boring
It is easy to bore.
Finishing
It finishes to a smooth surface.
REFERENCED USES
End Uses Summary
EXTERIOR GENERAL, poles, HOUSING GENERAL, flooring, frames, FURNITURE AND CABINETS, PLYWOOD AND VENEER, cores, TURNING, PACKING, NAVAL CONSTRUCTION, boats, OTHER AND MUSICAL INSTRUMENTS, moldings, particleboard
Exterior General
- 1 - Tabela de resultados de ensaios fisicos e mecanicos
Poles
- 3 - Estudo dendrologico e determinacao das caracteristicas fisicas e mecanicas do genipapo (Genipa americana)
General Housing
- 10 - Silica in Timbers
Flooring
- 14 - Handbook of Hardwoods
Frames
- 16 - Woods of the World
Furniture Cabinets
- 21 - Tropical timbers of the world. Part III-Southeast Asian and Oceanian Species.
Panels, Veneers
- 25 - Directory of Timber Trade Malaysia
Cores
- 27 - Embassy of Brazil in Japan
Turning
- 30 - Embassy of Honduras in Japan
Packing
- 45 - Recopilación y Análisis de Estudios Tecnológicos de Maderas Peruanas
Shipbuilding
- 55 - Tropical Timber Atlas of Latin America
Boats
- 56 - Manual de Identificación de Especies Forestales de la Subregión Andina.
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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