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MANILKARA (Manilkara kanosiensis)
Trade Name
Manilkara
Scientific Name
Manilkara kanosiensis H.J. Lam & A. Meeuse
Family
SAPOTACEAE
Common Names
Manilkara (Papua New Guinea)
Description Of The Tree
Botanical Description
It is a medium-sized tree.
Natural Habitat
Relatively widespread but uncommon, this timber tree is scattered in primary lowland rainforest. It is known or inferred that the harvesting of specimens from the wild for international trade has, or may have, a detrimental impact on the species by EITHE
Natural Distribution
It occurs mainly in areas where intense logging is being carried out, such as New Britain and New Ireland in the Bismarck Archipelago and the north-west of Papua New Guinea.
Wood Identification
Anatomic Description Of Wood
Wood diffuse porous. Vestured pits. Vessels per mm2 less than 6 (rare). Simple perforation plates. Vessel-ray pits similar to intervessel pits in size and shape. Intervessel pits small, 7 micras or less. Occasionally axial parenchyma in marginal or in seemingly marginal bands. Prismatic crystals in chambered axial parenchyma cells and/or in fibers. 3 to 4 cells per parenchyma strand. Occasionally 5 to 8 cells per parenchyma strand. Axial parenchyma bands more 4 to 10 rays per mm (medium). Prismatic crystals in radial alignment in procumbent ray cells (chambered cells). 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). Body ray Fibers with simple to minutely bordered pits.
Availability
Cites Status
Unrestricted
General Wood Description
Color
The heartwood is brown, dark brown or reddish-brown. The sapwood is lighter brown, and distinctly demarcated from the heartwood, especially in freshly in freshly cut trees.
Grain
The grain is usually straight or interlocked.
Texture
The texture is fine to very fine.
Luster
It is reported to be more or less lustrous.
Natural Durability
The timber is rated as durable in contact with the ground or weather.
Natural durability index (1= Very high durability, 7=Vey low durability)
1
Silica Content
Silica Content: This timber is reported to have a negligible silica content. Silica contents over 0.05% may affect wood processing. Silica Value: 0
Resistance To Impregnation
Although it is impermeable, for most applications preservative treatment is not needed.
Wood Physical Properties
Basic Density or Specific Gravity (O.D. weight/vol. green) (g/cm³)
0.95
Air-dry Density (Weight and volume at 12%MC) (g/cm³)
1.11
Total shrinkage Tangential (Saturated to 0%MC) (%)
12.2
Total shrinkage Radial (Saturated to 0%MC) (%)
4.8
Drying Defects
Ease of Drying: Air seasoning is reported to be good. Drying Defects: Slight warping and checking are reported.
Dimensional stability ratio (Total Tangential Shrinkage %/Total Radial Shrinkage %)
2.5
Wood Chemical Properties
Wood Mechanical Properties
Bending Strength (MOR),12%MC (kgf/cm²)
1671
Stiffness (MOE) 12%MC (kgf/cm²)
215875
Compression parallel to fiber 12%MC (kgf/cm²)
846
Shear strength radial 12%MC (kgf/cm²)
199
Janka hardness (side) 12%MC (kgf)
1289
Workability
Machining
Although it is very hard, working properties when using modern equipment are usually good.
Nailing
This wood is difficult to nail. Pre-boring is required.
Polishing
Polishing of this species is reportedly easy.
Response To Hand Tools
It is difficult to work with hand tools.
REFERENCED USES
End Uses Summary
EXTERIOR GENERAL, crossties, HOUSING GENERAL, flooring, FURNITURE AND CABINETS, TOOLS, tool handles, OTHER AND MUSICAL INSTRUMENTS, handicrafts
Exterior General
- 1 - Tabela de resultados de ensaios fisicos e mecanicos
Crossties
- 8 - Maderas latinoamericas. III, Podocarpus standleyi ,Podocarpus oleifolius, Drims granadensis, Magnolia poasana y Didymopanax pittieri
General Housing
- 10 - Silica in Timbers
Flooring
- 14 - Handbook of Hardwoods
Furniture Cabinets
- 21 - Tropical timbers of the world. Part III-Southeast Asian and Oceanian Species.
Tools
- 42 - Utilización Industrial de Nuevas Especies Forestales en el Perú.
Tool Handles
- 43 - Maderas de Bolivia (Características y Usos de 55 Maderas Tropicales)
Handcraft
- 66 - Maderas latinoamericanas. VII. Caracteristicas anatomicas. propiedades fisicomecanicas, de secado, y tratabilidad de la madera juvenil de Cordia alliodora (Ruiz & Pav. Oken.)
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