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Planchonella
Planchonella (Planchonella euphlebia)

Family:

Common names: Ereru, Hickory boxwood, Kete, Mumu, Northern yellow boxwood, Nyatoh, Planchonella, Red planchonella, Sarosaro, Tadiri, Tala, White planchonella

Distributed in: Australia, Fiji, Malaysia, Solomon Islands (Oceania and S.E. Asia)

Distribution overview: Various species in the genus Planchonella are reported to occur in Southeast Asia, and are found in Malaysia, the Solomon Islands, Fiji, and Australia.

Common uses: Boat building, Boxes and crates, Carvings, Dowell pins, Dowells, Furniture , Furniture components, Furniture squares or stock, Interior construction, Interior trim, Moldings, Sporting Goods, Veneer

Environment profile: Environmental status not officially assessed

Tree size: Trunk diameter is 100-150 cm

Colors: the heart isRed, Red and White and the sapwoodVery little color difference from heartwood , White.The grain isStraight, sometimes wavy , the textureResinous and oilyand the lusterSlightly lustrous

Natural durability: Very durable

Odor: No specific smell or taste

Silica Content: Some Planchonella timbers are siliceous

Drying Defects: Checking, Distortion

Ease of Drying: Slowly

Comments: Color grouping counteracts some differences Vary significantly in physical and mechanical properties

Boring: Fairly easy to very easy

Carving: Fairly Easy to Very Easy

Cutting Resistance: Some species are slightly siliceous and thus do not interfere with conversion operations

Gluing: Glues well

Mortising: Fairly Easy to Very Easy

Moulding: Fairly Easy to Very Easy

Movement in Service: Fairly Easy to Very Easy

Nailing: Good nailing characteristics

Planing: Fairly Easy to Very Easy

Resistance to Impregnation: Resistant sapwood

Response to hand tools: Yields a smooth, clean finish

Routing recessing: Fairly Easy to Very Easy

Sanding: Fairly Easy to Very Easy

Veneering qualities: Suitable for veneer manufacturing Planchonella timbers are reported to have freedom from felling shakes, ability to peel smoothly, little or no checking, and good drying and gluing properties

Screwing: Screws without splitting ; Turning: Very Good to Excellent Results

Polishing: Very Good to Excellent;

  • Numerical data Metric
  • Numerical data English
  • Strength properties
  • References
Item Green Dry Metric
Specific Gravity
Density 1041 kg/m3
Bending Strength 950 1812 kg/cm2
Crushing Strength 120 kg/cm2
Hardness 1462 kg
Impact Strength cm
Shearing Strength 222 kg/cm2
Stiffness 167 245 1000 kg/cm2
Tangential Shrinkage %
Radial Shrinkage %
Weight kg/m3
Maximum Load cm-kg/cm3
Toughness 218 cm-kg
Static Bending 427 930 kg/cm2
Item Green Dry English
Bending Strength 13524 25774 psi
Crushing Strength 1715 psi
Density 65 lbs/ft3
Hardness 3224 lbs
Maximum Crushing Strength 6125 12348 psi
Shearing Strength 3170 psi
Static Bending 6076 13230 psi
Stiffness 2381 3489 1000 psi
Toughness 190 inch-lbs
Specific Gravity 0.89

Very hard
High in density
Compression strength (parallel to grain) = high
May require special tools to process. The species has exceptionally high bending strength properties in the air-dry condition (about 12 percent moisture content). It is far stronger, for example, than Hard maple, White oak, or Teak.

Bolza, E. and N.H. Kloot.1963.The Mechanical Properties of 174 Australian Timbers.Division of Forest Products Technological Paper No. 25.Commonwealth Scientific and Industrial Research Organization, Melbourne, Australia.Eddowes, P. J. 1961. Commercial Timbers of Papua New Guinea - Their Properties and Uses. Office of Forests, Department of Primary Industry, Forest Products Research Center, Papua New GuineaKloot, N.H. and E. Bolza. 1961. Properties of Timbers Imported into Australia. Division of Forest Products Technological Paper No. 12. Commonwealth scientific and Industrial Research Organization, Melbourne, Australia
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