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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.

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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.

  • Wood Macro Photo Tangential Plane
  • Wood Micro Photo Of Transversal Section

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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