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KELAT (Syzygium griffithii)
Trade Name
Kelat
Scientific Name
Syzygium griffithii (Duthie) Merr. & Perry
Family
MYRTACEAE
Common Names
Kelat lapis (Malaysia); Kelat bising (Malaysia)
Scientific Name Synonyms
Eugenia griffithii Duthie
Description Of The Tree
Botanical Description
It is a medium-sized to fairly large tree up to 36 m. The bole is up to 70 cm in diameter. Buttresses up to 5 m high are reported.
Natural Habitat
Syzygium griffithii is widely distributed in lowland and hill forests.
Non Timber Uses
The wood is rich in tannins.
Wood Identification
Anatomic Description Of Wood
Vestured pits. Vessels per mm2 5 to 20. Vessel-ray pits reticulate and/or foraminate. Simple perforation plates. Intervessel pits medium, 7 to 10 micras. Apotracheal axial parenchyma diffuse and/or diffuse in aggregates. Paratracheal axial parenchyma scanty and/or vasicentric. Axial parenchyma aliform. Prismatic crystals in non-chambered axial parenchyma cells. Prismatic crystals in chambered axial parenchyma 4 to 10 rays per mm (medium). Rays of two distinct sizes. Body ray cells procumbent with mostly 2 to 4 rows of upright and/or square marginal cells (Kribs-II). Fibers very thick walled. Fibers with distinctly bordered pits.
Availability
Cites Status
Unrestricted
General Wood Description
Color
The heartwood is pale brown to purplish brown color, with a purplish tinge. The sapwood is paler in color.
COLOR INDEX (1=Black, 7=Light yellow,white)
4
Grain
It is reported to have wavy, interlocked or irregular grain.
Texture
This species is reported to have a fine to medium texture.
Luster
It is non-lustrous.
Natural Durability
The wood is susceptible to blue stain and insect attack and it should be protected when not used immediately.
Natural durability index (1= Very high durability, 7=Vey low durability)
5
Resistance To Impregnation
The heartwood is reportedly impermeable, but the sapwood is more amenable to preservative treatment.
Wood Physical Properties
Basic Density or Specific Gravity (O.D. weight/vol. green) (g/cm³)
0.63
Air-dry Density (Weight and volume at 12%MC) (g/cm³)
0.70
Total shrinkage Tangential (Saturated to 0%MC) (%)
9.0
Total shrinkage Radial (Saturated to 0%MC) (%)
5.0
Drying Defects
Ease of Drying: Drying is moderately difficult to difficult; special care is systematically needed. Drying Defects: No particular risks of drying defects, subject to normal drying conditions. Kiln Schedules: Schedule proposed as a reference by comparison with well known species taking into account to the general technological behavior of this species.
Recommended Dry Kiln Schedule
UK-C
Dimensional stability ratio (Total Tangential Shrinkage %/Total Radial Shrinkage %)
1.8
Wood Chemical Properties
Wood Mechanical Properties
Bending Strength (MOR),12%MC (kgf/cm²)
1182
Stiffness (MOE) 12%MC (kgf/cm²)
179344
Compression parallel to fiber 12%MC (kgf/cm²)
601
Compression perpendicular to fiber 12%MC (kgf/cm²)
61
Shear strength radial 12%MC (kgf/cm²)
132
Janka hardness (side) 12%MC (kgf)
667
Workability
Sawing
The response of this wood in sawing is easy to fair.
Rotary Veneer Cutting
This timber is reported to be suitable for lamination.
Sliced Veneer
This timber is reported to be suitable for lamination.
Machining
Machining operations are rather easy.
Planing
Planing of this species is reported to be easy. A very good surface can be obtained with a 35 degrees rake angle.
Moulding
Molding operations are rather easy.
Boring
The response of this species to boring operations is fair to bad.
Mortising
It is easy to mortise.
Nailing
Pre-boring is required.
Gluing
This species is easy to glue.
Sanding
Wood of this species is easy to sand.
Finishing
Finishing of this species is reportedly easy.
Staining
Staining of this species is reportedly easy.
Coatings
Wood of this species is easy to paint or varnish.
Polishing
It has a good polishing.
REFERENCED USES
End Uses Summary
EXTERIOR GENERAL, bridges, poles, stakes posts, crossties, HOUSING GENERAL, beams, flooring, frames, FURNITURE AND CABINETS, PLYWOOD AND VENEER, TOOLS, CONTAINERS, truck bodies, truck flooring, NAVAL CONSTRUCTION
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)
Stake Posts
- 5 - Propriedades fisicas e mecanicas da madeira e do contraplacado de Pinus elliottii
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
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
Tools
- 42 - Utilización Industrial de Nuevas Especies Forestales en el Perú.
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
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