SORVA (Malouetia duckei)
Trade Name
Sorva
Scientific Name
Malouetia duckei Markgr.
Family
APOCYNACEAE
Common Names
Sorva (Brazil)
Description Of The Tree
Botanical Description
The trees are reported to yield straight, cylindrical boles with an average of 8 m in length and 45 cm in diameter.
Wood Identification
Anatomic Description Of Wood
Occasionally vessels in diagonal and/or radial pattern. Apotracheal axial parenchyma diffuse and/or diffuse in aggregates. Axial parenchyma in discontinuous tangential lines.
Availability
Cites Status
Unrestricted
General Wood Description
Odor
Odor or taste are absent.
Color
The heartwood and sapwood are indistinct, the wood is light gray color.
Grain
The grain is reported to be straight or wavy.
Texture
The texture of the wood is fine.
Luster
This species is low in luster.
Wood Physical Properties
Basic Density or Specific Gravity (O.D. weight/vol. green) (g/cm³)
0.57
Air-dry Density (Weight and volume at 12%MC) (g/cm³)
0.63
Total shrinkage Tangential (Saturated to 0%MC) (%)
9.2
Total shrinkage Radial (Saturated to 0%MC) (%)
3.7
Recommended Dry Kiln Schedule
BR-B
Dimensional stability ratio (Total Tangential Shrinkage %/Total Radial Shrinkage %)
2.5
Wood Chemical Properties
Wood Mechanical Properties
Bending Strength (MOR),12%MC (kgf/cm²)
1194
Stiffness (MOE) 12%MC (kgf/cm²)
129000
Compression parallel to fiber 12%MC (kgf/cm²)
604
Compression perpendicular to fiber 12%MC (kgf/cm²)
99
Shear strength radial 12%MC (kgf/cm²)
149
Janka hardness (side) 12%MC (kgf)
603
Janka hardness (end grain) 12%MC (kgf)
832
Workability
Planing
Planing operations are reported to be easy, but the finishing is fair because of torn surfaces.
Turning
30
Boring
Boring operations are reported to be easy, but the finishing is fair.
Sanding
Sanding operations are reported to be easy, with very good finishing.
Finishing
Wood of this species is easy to finish.
Response To Hand Tools
This species is moderately difficult to cut with hand tools.
REFERENCED USES
End Uses Summary
EXTERIOR GENERAL, HOUSING GENERAL, FURNITURE AND CABINETS, TURNING, cutlery, TOOLS, tool handles
Exterior General
- 1 - Tabela de resultados de ensaios fisicos e mecanicos
General Housing
- 10 - Silica in Timbers
Furniture Cabinets
- 21 - Tropical timbers of the world. Part III-Southeast Asian and Oceanian Species.
Turning
- 30 - Embassy of Honduras in Japan
Knife Handles
- 33 - Embassy of Gabon in Japan
Tools
- 42 - Utilización Industrial de Nuevas Especies Forestales en el Perú.
Tool Handles
- 43 - Maderas de Bolivia (Características y Usos de 55 Maderas Tropicales)
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