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Blunting Effect
Comments
Common Names
Common Uses
Countries of Distribution
Cutting Resistance
Drying Defects
Ease of Drying
Family Name
Gluing
Grain
Heartwood Color
Luster
Movement in Service
Nailing
Natural Durability
Numerical Data
Painting
Polishing
References
Regions of Distribution
Resistance to Impregnation
Resistance to Splitting
Response to Hand Tools
Sapwood Color
Scientific Name
Screwing
Staining
Steam Bending
Strength Properties
Synonyms
Texture
Trade Name
Tree Identification
Tree Size
Turning

Scientific Name
Nauclea maingayi

Trade Name
Kelempayan

Family Name
Rubiaceae

Synonyms
Sarcocephalus maingayi


Wood Image 1

Common Names
Kelempayan, Mengkal

Regions of Distribution
Oceania and S.E. Asia

Countries of Distribution  [VIEW MAP]
Australia, Papua New Guinea

Common Uses
Boat building: framing, Boxes and crates, Food containers, Furniture, Joinery, Light construction, Particleboard, Plywood, Pulp/Paper products, Vats, Veneer: decorative

Heartwood Color
Red
Brown
Pink
Purple


Sapwood Color
White
Brown
Red
Pink
Yellow


Grain
Interlocked

Interlocked


Texture
Fine
Fine
Fine to medium


Luster
Medium
Lustrous


Natural Durability
Non-durable
Susceptible to insect attack
Perishable
Resistant to powder post beetles
Non-resistant to powder post beetles
Sapwood is susceptible to wood staining fungal attack
Non durable
Susceptible to attack from termites (Isoptera)
Susceptible to attack from powder post (Lyctid & Bostrychid) beetles
Perishable
Moderately durable


Drying Defects
Splitting
Slight surface checking
Moderate twist/warp


Ease of Drying
Fairly Easy
Moderately Difficult to Difficult


Tree Identification
Bole/stem form is not buttressed


Tree Size
Trunk diameter is 100-150 cm
Tree height is 30-40 m
Trunk diameter is 150-200 cm
Tree height is 20-30 m
Bole length is 10-20 m
Bole length is 0-10 m
Bole length is 20-30 m


Comments
General finishing qualities are rated as good

Blunting Effect
Moderate


Cutting Resistance
Easy to saw
Cutting Resistance with dry wood is easy


Gluing
Fairly Easy to Very Easy
Fairly Difficult to Very Difficult
Fair to Good Results
Easy to glue


Movement in Service
Excellent Stability - Small Movement


Nailing
Fair to Good Results
Difficult to nail


Resistance to Impregnation
Resistant heartwood
Resistant sapwood
Permeable sapwood
Heartwood is moderately resistant


Resistance to Splitting
Poor


Response to Hand Tools
Easy to Work
Fairly Difficult to Difficult to Work
Easy to machine


Screwing
Fair to Good Results


Turning
Very Good to Excellent Results
Fair to Good Results


Steam Bending
Fair to Good Results


Painting
Very Good to Excellent Results
Fair to Good Results


Polishing
Fair to Good Results


Staining
Fair to Good Results
Very Good to Excellent Results


Strength Properties
Shrinkage, Tangential = very small
Shrinkage, Radial = very small
Shrinkage, Tangential = small


Numerical Data
ItemGreenDryEnglish
Radial Shrinkage2%
Tangential Shrinkage5%
ItemGreenDryMetric
Radial Shrinkage2%

References
Desch, H.E.,1954,Manual of Malayan Timbers (2 vols,Malayan Forest Records,no.15

Keating, W.G., Bolza, E.,1982,Characteristics properties and uses of timbers. South East Asia, Northern,Australia and the Pacific,C.S.I.R.O. Div. Chemical Technology,Inkata Press,1