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Common Names
Common Uses
Countries of Distribution
Cutting Resistance
Drying Defects
Family Name
Grain
Heartwood Color
Kiln Schedules
Luster
Nailing
Natural Durability
Numerical Data
Planing
References
Regions of Distribution
Resistance to Impregnation
Response to Hand Tools
Sapwood Color
Scientific Name
Strength Properties
Synonyms
Texture
Trade Name
Tree Size

Scientific Name
Knema furfuracea

Trade Name
Darah

Family Name
Myristicaceae

Synonyms
Myristica furfuracea


Wood Image 1

Common Names
Darah, Kumpang, Penarahan, Penarahan arang

Regions of Distribution
Oceania and S.E. Asia

Countries of Distribution  [VIEW MAP]
Malaysia, Thailand

Common Uses
Boxes and crates, Concrete formwork, Heavy construction, Light construction, Plywood

Heartwood Color
Reddish brown
Pale brown
Pale red to pink
Greenish to greyish


Sapwood Color
Paler than heartwood


Grain
Even
Straight

Straight


Texture
Medium
Fine
Fine to medium
Medium
Medium to coarse
Fine
Coarse


Luster
Low
Slightly lustrous


Natural Durability
Durable
Susceptible to insect attack
Resistant to termites
Resistant to powder post beetles
Moderately durable
Non durable
Susceptible to attack from termites (Isoptera)
Susceptible to attack from powder post (Lyctid & Bostrychid) beetles
Sapwood is susceptible to wood staining fungal attack
Pinworms (ambrosia beetles) often present in the standing tree
Pinworms (ambrosia beetles) may be present in the felled log
Heartwood is susceptible to wood staining fungal attack


Kiln Schedules
Dry at a slow speed


Drying Defects
Moderate twist/warp


Tree Size
Tree height is 10-20 m


Cutting Resistance
Cutting Resistance with dry wood is easy


Nailing
Difficult to nail


Planing
Very Good to Excellent Results
Fair to Good Results
Planes well, to a good finish


Resistance to Impregnation
Heartwood is permeable


Response to Hand Tools
Easy to machine


Strength Properties
Density (dry weight) = 38-45 lbs/cu. ft.


Numerical Data
ItemGreenDryEnglish
Density40lbs/ft3
Weight3931lbs/ft3
ItemGreenDryMetric
Density641kg/m3

References
Burgess, P.F.,1966,Timbers of Sabah,Sabah Forest Record, no.6

Chudnoff, M.,1984,Tropical Timbers of the World,U.S.A. Department of Agriculture, Forest Service, Forest Products,Laboratory, Madison.

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

Menon, P.K.B.,1959,The wood anatomy of Malayan timbers: commercial timbers, 3. Light,hardwoods,Malaysian Forest Research Institute Kepong, Research Pamplet, No. 27.

Whitmore, T.C. (Ed.,1972,Tree Flora of Malaya A Manual for Foresters Volume 1,Forest Department Ministry of Agriculture and Lands Malaysia









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