Select Language:  

logo

< Back KAYU HUJAN (Engelhardtia spicata) Print Friendly View

< Back Print Friendly View

KAYU HUJAN (Engelhardtia spicata)

Trade Name

Kayu hujan

Scientific Name

Engelhardtia spicata Lesch. Ex Blume

Family

JUGLANDACEAE

Common Names

Vakru; Thitswebwe; Thitsawbwa; Taungtamasok; Tariokan; Taguhusai; Silapoma; Savyak; Salutsut; Salotsot; Rumgach; Pyinsit; Pingol; Petsut; Pedped; Payong-yong; Mowa; Moglipoma; Mesaw; Marasawa; Mahua; Magapisa; Lupisan; Limbunga; Klimasawa; Ki keper; Ki hoedjan; Kharhod; Hananlod; Dinglaba; Bor-patta-jam; Bolas; Bibit; Aroi-oi

Scientific Name Synonyms

Engelhardtia sect. Oreomunnea (Oerst.) DC.; Engelhardtia esquirolii Lev.; Engelhardtia colebrookeana Lindl. Ex Wallich; Engelhardtia aceriflora (Reinw.) Blume

Description Of The Tree

Botanical Description

It is a small to medium sized tree, up to 35 m tall. The bole is straight and cylindrical, branchless for 15 m, up to 90 cm of diameter. It presents buttresses usually 3 m high.

Natural Habitat

Engelhardtia is found scattered in evergreen primary lowland or montane rainforests, to more open bush savanna vegetation. It is often reported on leached acidic yellow soils up to 2,000 m of altitude.

View More Information

Wood Identification

Anatomic Description Of Wood

Wood diffuse porous. Occasionally tyloses common. Vessels per mm2 5 to 20. Vessels per mm2 less than 6 (rare). Vessel-ray pits reticulate and/or foraminate. Simple perforation plates. Occasionally multiple perforation plates. Intervessel pits small, 7 micras or Apotracheal axial parenchyma diffuse and/or diffuse in aggregates. Paratracheal axial parenchyma scanty and/or vasicentric. Occasionally prismatic crystals in non-chambered axial parenchyma cells. Occasionally prismatic crystals in chambered axial parenchyma 4 to 10 rays per mm (medium). Occasionally body ray cells procumbent with over 4 rows of upright and/or square marginal cells (Kribs-I). Body ray cells procumbent with mostly 2 to 4 rows of upright and/or square marginal cells (Kribs-II). Body ray cells proc Fibers very thin walled. Occasionally fibers with distinctly bordered pits.

Availability

Cites Status

Unrestricted

General Wood Description

Odor

The wood has no specific odor or taste.

Color

The heartwood is yellow-brown to red-brown as well as the sapwood.

Grain

The grain is straight, interlocked or slightly wavy.

Texture

The texture is moderately fine to slightly coarse.

Luster

This wood is frequently moderate in luster.

Natural Durability

The wood is rated as non durable to moderately durable.

Natural durability index (1= Very high durability, 7=Vey low durability)

6

Wood Physical Properties

Basic Density or Specific Gravity (O.D. weight/vol. green) (g/cm³)

0.52

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

0.56

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

8.3

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

5.0

Drying Defects

Ease of Drying: Boards of 13 mm and 38 mm thick take respectively 3.5 and 5 months to air dry. Drying Defects: Slight cupping, bowing, twisting, end-checking, surface checking and insect attack are likely to occur.

Dimensional stability ratio (Total Tangential Shrinkage %/Total Radial Shrinkage %)

1.7

Wood Chemical Properties

Wood Mechanical Properties

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

795

Stiffness (MOE) 12%MC (kgf/cm²)

101393

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

391

Shear strength radial 12%MC (kgf/cm²)

97

Janka hardness (side) 12%MC (kgf)

370

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

503

Workability

Sawing

Cutting resistance is generally low.

Rotary Veneer Cutting

This species is reported to have good characteristics for lamination.

Sliced Veneer

This species is reported to have good characteristics for lamination.

Blunting Effect

Wood of this species has a slight blunting effect.

Planing

The timber planes to a slightly rough surface.

Turning

30

Nailing

Nailing properties are good to fair.

Finishing

The behavior in finishing is good to fair.

Staining

Staining of this wood is rated as fair.

REFERENCED USES

End Uses Summary

HOUSING GENERAL, boards, FURNITURE AND CABINETS, PLYWOOD AND VENEER, TURNING, TOOLS, agricultural tools, PACKING, CONTAINERS, truck flooring, NAVAL CONSTRUCTION, OTHER AND MUSICAL INSTRUMENTS, matches, 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
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
Tools
  • 42 - Utilización Industrial de Nuevas Especies Forestales en el Perú.
Agricultural Tools
  • 44 - Atlas of Peruvian Woods
Packing
  • 45 - Recopilación y Análisis de Estudios Tecnológicos de Maderas Peruanas
Truck Flooring
  • 54 - Bulletin of the Government Forest Experiment Station N.157: Identification of Tropical Woods
Shipbuilding
  • 55 - Tropical Timber Atlas of Latin America
Matches
  • 71 - Proprietes physiques et mecaniques des bois tropicaux, premier supplement
Molding
  • 79 - Padronização da Nomenclatura Comercial Brasileira das Madeiras Tropicais Amazônicas, Sugestão

Please Provide Information To View Producer Information

* Or, continue as guest