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CARDEIRO (Scleronema spp)
Trade Name
Cardeiro
Scientific Name
Scleronema spp.
Family
BOMBACACEAE
Common Names
Cardeiro; Cedro-Branco (Brazil); Castanha-De-Macaco (Brazil); Caraúba (Brazil)
Description Of The Tree
Natural Habitat
Scleronema trees are found in non-inundable areas of the Amazonia, on terra firme forests.
Natural Distribution
Scleronema trees are reported to be distributed in the Amazon basin in Brazil.
Non Timber Uses
Traumatic canals are frequently reported.
Wood Identification
Anatomic Description Of Wood
Wood diffuse porous. Vessels solitary and in short radial multiples. Tangential diameter of vessel lumina 200 micras or more (large). Vessels per mm2 less than 6 (rare). Simple perforation plates. Vessel-ray pits coarse throughout the ray cell. Intervessel pits Axial parenchyma in marginal or in seemingly marginal bands. Axial parenchyma aliform. Axial parenchyma confluent. 3 to 4 cells per parenchyma strand. 4 to 10 rays per mm (medium). Rays storied. Larger rays more than 4 seriate. Heterogeneous rays and/or multiseriate heterogeneous rays. Fibers with simple to minutely bordered pits.
Availability
Cites Status
Unrestricted
General Wood Description
Color
The color of the heartwood is described as reddish brown.
COLOR INDEX (1=Black, 7=Light yellow,white)
4
Grain
The grain is frequently straight.
Texture
Texture is reported to be rather coarse.
Natural Durability
This wood is reported to have low natural resistant against insects and wood decay fungi.
Natural durability index (1= Very high durability, 7=Vey low durability)
5
Resistance To Impregnation
Preservative substances are difficult to impregnate.
Wood Physical Properties
Basic Density or Specific Gravity (O.D. weight/vol. green) (g/cm³)
0.65
Air-dry Density (Weight and volume at 12%MC) (g/cm³)
0.72
Total shrinkage Tangential (Saturated to 0%MC) (%)
10.0
Total shrinkage Radial (Saturated to 0%MC) (%)
5.4
Drying Defects
Ease of Drying: Air seasoning is reported to be moderate. Drying Defects: Bowing and crooking are reported.
Dimensional stability ratio (Total Tangential Shrinkage %/Total Radial Shrinkage %)
1.9
Wood Chemical Properties
Wood Mechanical Properties
Bending Strength (MOR),12%MC (kgf/cm²)
907
Stiffness (MOE) 12%MC (kgf/cm²)
129413
Compression parallel to fiber 12%MC (kgf/cm²)
632
Workability
Sawing
Sawmilling of this species is reportedly easy.
Rotary Veneer Cutting
This species is interesting for peeling.
Sliced Veneer
This species is interesting for peeling.
Blunting Effect
It has a slight to moderate blunting effect on the cutting tools.
Planing
Planing is reported to be easy.
Nailing
Good nail-holding properties.
Gluing
This species is easy to glue.
REFERENCED USES
End Uses Summary
HOUSING GENERAL, boards, frames, steps, panelling, FURNITURE AND CABINETS, common furniture, PLYWOOD AND VENEER, cores, common veneer, PACKING, light packing, pallets, NAVAL CONSTRUCTION, boat deck, OTHER AND MUSICAL INSTRUMENTS, handicrafts, door core, moldings
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
Frames
- 16 - Woods of the World
Steps
- 17 - Tree Conservation Database
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
Panels, Veneers
- 25 - Directory of Timber Trade Malaysia
Cores
- 27 - Embassy of Brazil in Japan
Common Veneer
- 29 - Embassy of Ecuador in Japan
Packing
- 45 - Recopilación y Análisis de Estudios Tecnológicos de Maderas Peruanas
Light Packing
- 46 - ECUADOR, Inventario y Aprovechamiento de los Bosques del Sur Ecuatoriano
Pallets
- 48 - The strength properties of timbers
Shipbuilding
- 55 - Tropical Timber Atlas of Latin America
Boat Decking
- 59 - Programa Nacional de uso Sostenible de los Bosques e Incremento a las Exportaciones.
Handcraft
- 66 - Maderas latinoamericanas. VII. Caracteristicas anatomicas. propiedades fisicomecanicas, de secado, y tratabilidad de la madera juvenil de Cordia alliodora (Ruiz & Pav. Oken.)
Door Cores
- 76 - Descripción General y Anatómica de 105 Maderas del Grupo Andino.
Molding
- 79 - Padronização da Nomenclatura Comercial Brasileira das Madeiras Tropicais Amazônicas, Sugestão
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