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RIVER RED GUM (Eucalyptus camaldulensis)
Trade Name
River red gum
Scientific Name
Eucalyptus camaldulensis Dehnh.
Family
MYRTACEAE
Common Names
Murray red gum (Australia); River red gum (Australia)
Scientific Name Synonyms
Eucalyptus rostrata Schltdl.
Description Of The Tree
Botanical Description
It is a small to medium-sized, sometimes are large tree of up to 20 m tall. The bole is often rather crooked.
Natural Habitat
This species usually follows river banks, nevertheless it is also found in dry open country or where regular droughts are common but stored underground water is available.
Natural Distribution
It occurs in all States of Australia except Tasmania.
Wood Identification
Anatomic Description Of Wood
Wood diffuse porous. Vessels in diagonal and/or radial pattern. Vessels exclusively solitary (over 90%). Tyloses common. Vessels per mm2 5 to 20. Vessel-ray pits reticulate and/or foraminate. Vascular/vasicentric tracheides present. Simple perforation plates. Apotracheal axial parenchyma diffuse and/or diffuse in aggregates. Paratracheal axial parenchyma scanty and/or vasicentric. Fibers with distinctly bordered pits.
Availability
Cites Status
Unrestricted
General Wood Description
Odor
The wood is tasteless and odorless.
Color
The heartwood is red, turning dark red-brown on exposure.
COLOR INDEX (1=Black, 7=Light yellow,white)
4
Grain
The grain is interlocked, straight or wavy.
Texture
The texture of the wood is medium.
Natural Durability
It is resistant to dry wood termites.
Natural durability index (1= Very high durability, 7=Vey low durability)
2
Internal Growth Stresses
Growth stresses are reported in this species.
Silica Content
Silica Content: It is non-siliceous. Silica Value: 0
Resistance To Impregnation
The heartwood is reported to be resistant to preservative treatment, but the sapwood can be readily treated.
Wood Physical Properties
Basic Density or Specific Gravity (O.D. weight/vol. green) (g/cm³)
0.78
Air-dry Density (Weight and volume at 12%MC) (g/cm³)
0.88
Total shrinkage Tangential (Saturated to 0%MC) (%)
15.3
Total shrinkage Radial (Saturated to 0%MC) (%)
8.2
Drying Defects
Ease of Drying: Seasoning is slow.
Dimensional stability ratio (Total Tangential Shrinkage %/Total Radial Shrinkage %)
1.9
Wood Chemical Properties
Wood Mechanical Properties
Bending Strength (MOR),12%MC (kgf/cm²)
1029
Stiffness (MOE) 12%MC (kgf/cm²)
113924
Compression parallel to fiber 12%MC (kgf/cm²)
560
Shear strength radial 12%MC (kgf/cm²)
153
Janka hardness (side) 12%MC (kgf)
982
Janka hardness (end grain) 12%MC (kgf)
1062
Workability
Sawing
Despite its density it is reported to be easy to cut.
Rotary Veneer Cutting
This species is reported to be interesting for lamination.
Sliced Veneer
This species is reported to be interesting for lamination.
Machining
This species is not difficult to machine despite its density.
Planing
It might show a tendency to pick up grain.
Turning
30
Nailing
It needs pre-boring.
Gluing
This species is easy to glue.
Finishing
This species is reported to be easy to finish.
Staining
It is easy to stain.
Coatings
It is easy to paint or varnish.
REFERENCED USES
End Uses Summary
EXTERIOR GENERAL, bridges, poles, paling, rails, crossties, HOUSING GENERAL, beams, boards, flooring, frames, steps, FURNITURE AND CABINETS, PLYWOOD AND VENEER, TURNING, SPORTS, TOOLS, tool handles, agricultural tools, PACKING, CONTAINERS, truck bodies, truck flooring, NAVAL CONSTRUCTION, boats, port pillar, port storage, OTHER AND MUSICAL INSTRUMENTS, handicrafts, particleboard, paper
Exterior General
- 1 - Tabela de resultados de ensaios fisicos e mecanicos
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)
Paling Fence Pickets
- 4 - Estudo dendrologico e determinacao das caracteristicas fisicas e mecanicas da bicuiba
Rails
- 6 - Physical and mechanical properties of Eucalyptus deglupta Blume grown in Costa Rica
Crossties
- 8 - Maderas latinoamericas. III, Podocarpus standleyi ,Podocarpus oleifolius, Drims granadensis, Magnolia poasana y Didymopanax pittieri
General Housing
- 10 - Silica in Timbers
Beams
- 11 - Prospect: The wood database
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
Frames
- 16 - Woods of the World
Steps
- 17 - Tree Conservation Database
Furniture Cabinets
- 21 - Tropical timbers of the world. Part III-Southeast Asian and Oceanian Species.
Panels, Veneers
- 25 - Directory of Timber Trade Malaysia
Turning
- 30 - Embassy of Honduras in Japan
Sports
- 38 - Annual Review and Assessment of the World Timber Situation 1998-ITTO
Tools
- 42 - Utilización Industrial de Nuevas Especies Forestales en el Perú.
Tool Handles
- 43 - Maderas de Bolivia (Características y Usos de 55 Maderas Tropicales)
Agricultural Tools
- 44 - Atlas of Peruvian Woods
Packing
- 45 - Recopilación y Análisis de Estudios Tecnológicos de Maderas Peruanas
Truck Body
- 53 - Timbers of the New World
Truck Flooring
- 54 - Bulletin of the Government Forest Experiment Station N.157: Identification of Tropical Woods
Shipbuilding
- 55 - Tropical Timber Atlas of Latin America
Boats
- 56 - Manual de Identificación de Especies Forestales de la Subregión Andina.
Port Pillar
- 61 - Manual de Diseño para Maderas del Grupo Andino
Port Storage
- 62 - Estudio Tecnológico de Maderas del Perú (Zona Pucallpa) Vol I
Handcraft
- 66 - Maderas latinoamericanas. VII. Caracteristicas anatomicas. propiedades fisicomecanicas, de secado, y tratabilidad de la madera juvenil de Cordia alliodora (Ruiz & Pav. Oken.)
Particleboard
- 80 - Estudio Integral de la Madera para Construcción
Paper
- 82 - Compilation of Data on the Mechanical Properties of Foreign woods (Part 2) Central and South America.
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