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KELAT (Syzygium polyanthum)

Trade Name

Kelat

Scientific Name

Syzygium polyanthum (Wight) Walp

Family

MYRTACEAE

Common Names

Kelat; Obah (Sabah); Salam (Indonesia); Ubah (Sarawak); Manting (Indonesia); Daeng-kluai (Thailand); Dok maeo (Thailand); Serah (Malaysia); Ubar serai (Indonesia); Samak (Malaysia)

Scientific Name Synonyms

Eugenia polyantha Wight

Description Of The Tree

Botanical Description

It is a medium-sized tree up to 30 m tall. The bole is up to 60 cm in diameter.

Natural Habitat

Syzygium polyanthum is found in lowland primary and secondary forests, up to 1,300 m of altitude.

Non Timber Uses

The wood is rich in tannins.

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Wood Identification

Anatomic Description Of Wood

Tyloses common. Vestured pits. Vessels per mm2 5 to 20. Simple perforation plates. Vessel-ray pits coarse throughout the ray cell. Intervessel pits medium, 7 to 10 micras. Apotracheal axial parenchyma diffuse and/or diffuse in aggregates. Axial parenchyma winged aliform (uni or bilateral winged). Axial parenchyma confluent. Prismatic crystals in non-chambered axial parenchyma cells. Occasionally prismatic crystals in chambered 4 to 10 rays per mm (medium). Rays of two distinct sizes. Larger rays more than 4 seriate. Body ray cells procumbent with mostly 2 to 4 rows of upright and/or square marginal cells (Kribs-II). Occasionally septate fibers present. Fibers with simple to minutely 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

The direction of the fiber is variable, wavy, interlocked or irregular grain is found.

Texture

Texture is usually fine to medium.

Luster

It is non-lustrous.

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)

0.74

Air-dry Density (Weight and volume at 12%MC) (g/cm³)

0.84

Total shrinkage Tangential (Saturated to 0%MC) (%)

8.8

Total shrinkage Radial (Saturated to 0%MC) (%)

5.9

Drying Defects

Ease of Drying: Drying is rather slow and sometimes difficult to perform. Drying Defects: Risks of distortions. 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 %)

1.5

Wood Chemical Properties

Wood Mechanical Properties

Bending Strength (MOR),12%MC (kgf/cm²)

1129

Stiffness (MOE) 12%MC (kgf/cm²)

127953

Compression parallel to fiber 12%MC (kgf/cm²)

581

Shear strength radial 12%MC (kgf/cm²)

71

Janka hardness (end grain) 12%MC (kgf)

535

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

It is easy to machine.

Planing

Planing is reported to be easy. A very good surface can be obtained with a 35 degrees rake angle.

Moulding

Molding of this species is reported to be easy.

Boring

Boring operations are rated as fair to difficult.

Mortising

Mortising is reported to be easy.

Nailing

Pre-boring is required.

Gluing

The timber is reported to glue well.

Sanding

It has a good sanding behavior.

Finishing

It is easy to finish.

Staining

This species is reported to be easy to stain.

Coatings

This species is reported to be easy to paint or varnish.

Polishing

Wood of this species is easy to polish.

REFERENCED USES

End Uses Summary

EXTERIOR GENERAL, HOUSING GENERAL, PLYWOOD AND VENEER, TOOLS, agricultural tools, CONTAINERS, truck bodies, truck flooring, NAVAL CONSTRUCTION

Exterior General
  • 1 - Tabela de resultados de ensaios fisicos e mecanicos
General Housing
  • 10 - Silica in Timbers
Panels, Veneers
  • 25 - Directory of Timber Trade Malaysia
Tools
  • 42 - Utilización Industrial de Nuevas Especies Forestales en el Perú.
Agricultural Tools
  • 44 - Atlas of Peruvian Woods
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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