PNG Rosewood

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TIMBER SPECIES 

EBONY

KWILA

MALAS

TAUN




 

PNG Rosewood 

 

Botanical names:         Pterocarpus indicus  

Family name:              Fabaceae (legume family)

Growth rings are a characteristic feature, producing a flame like figure on back sawn boards. Quarter sawn has a distinct ribbon figure.

The is naturally lustrous and ripple marks, characteristics of the timber, that are visible to the naked eye. Rosewood has a persistent and pleasant odor. It is non siliceous. 

 

 

 

Local names                                               Country

New Guinea Rosewood                        Papua New Guinea

Narra                                                       Philippines  

Buwota                                                    Vanuata

Liki                                                           Solomon Islands  

Pinati                                                       Samoa

Red Sandalwood                                   English  

Amboine, santal rouge                          French

Angsana                                                 Brunei  

Linggoa                                                   Indonesia

 

Alternative names:

Sonokembang,Angsana, Sena, Apalit, Vitali, Nananara  
 

USES

 

FURNITURE, CABINET WORK, JOINERY, RIFFLE BUTTS, BOAT BUILDING, VENEER, PLYWOOD, DECORATIVE PANELLING, KNIFE HANDLES,

CARPENTRY LEVELS,DRAWING INSTRUMENTS, TURNERY, FLOORING, MUSICAL INSTRUMENTS. 

 

 

  

Physical Properties

 

Air Dried Density

625kg/m3 @ 12% m. c.

Basic Density

529 kg/m3

Colour

Heartwood varies from red to red brown, 

golden brown or blood red

Texture

Medium

Grain

Mostly interlocked/ wavey

Durability

Highly  durable

Permeability

Heartwood is very resistant to 

preservative treatment

Lyctid Susceptibility

Susceptible

Shrinkage

Radial: 1% ; Tangential: 2%

Sapwood

Lyctus susceptibility

Strength group

S4

Movement

T=0.24 %, R=0.17 %

Availability

available in small quantities

 

Mechanical Properties

 

Strength

SD 5 Seasoned

Structural

F14 select grade

Toughness (Izod)

10J Seasoned & 13J Unseasoned

Hardness (Janka)

4.7kN Seasoned, 4.2kN Unseasoned

Maximum. Crushing

58MPa Seasoned, 38MPa Unseasoned.

Strength

 

Modules of Elasticity

12GPa Seasoned, 10GPa Unseasoned.

Modules of Rapture

95MPa Seasoned,74MPa Unseasoned.

 

Working Properties

 

      Saws readily

      Easy to bore

     Turns easily

      Glues satisfactorily

     Screws well

     Nails satisfactorily

      Moulds well