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Blunting Effect
Boring
Common Names
Common Uses
Countries of Distribution
Cutting Resistance
Drying Defects
Ease of Drying
Family Name
Gluing
Grain
Heartwood Color
Kiln Drying Rate
Luster
Movement in Service
Natural Durability
Numerical Data
Planing
References
Regions of Distribution
Resistance to Impregnation
Response to Hand Tools
Scientific Name
Staining
Strength Properties
Synonyms
Texture
Trade Name
Tree Identification
Tree Size
Turning
Veneering Qualities

Scientific Name
Parartocarpus triandrus

Trade Name
Minggi

Family Name
Moraceae

Synonyms
Gymnartocarpus triandra


Wood Image 1

Common Names
Minggi, Pinggi, Temponek

Regions of Distribution
Oceania and S.E. Asia

Countries of Distribution  [VIEW MAP]
Malaysia

Common Uses
Boxes and crates, Joinery, Light construction, Plywood

Heartwood Color
Red
Green/grey
Pink
Brown


Grain
Even
Interlocked
Straight

Interlocked
Straight


Texture
Coarse
Medium
Coarse


Luster
Low


Natural Durability
Perishable
Non-durable
Non-resistant to termites
Susceptible to insect attack
Non durable
Perishable
Heartwood is susceptible to wood staining fungal attack


Drying Defects
Slight surface checking


Ease of Drying
Fairly Easy
Rapidly


Kiln Drying Rate
Naturally dries quickly


Tree Identification
Bole/stem form is not buttressed


Tree Size
Tree height is 50-60 m
Trunk diameter is 150-200 cm
Sapwood width is 5-10 cm
Bole length is 10-20 m
Bole length is 20-30 m
Bark width is 20-25 mm
Tree height is 40-50 m
Bark width is 10-15 mm
Trunk diameter is 100-150 cm
Bark width is 15-20 mm
Trunk diameter is 200-250 cm


Blunting Effect
Little


Boring
Easy


Cutting Resistance
Cutting Resistance with green wood is easy
Cutting Resistance with dry wood is moderate
Cutting Resistance with dry wood is easy
Cutting Resistance with dry wood is difficult


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


Movement in Service
Excellent Stability - Small Movement


Planing
Very Good to Excellent Results
Fair to Good Results
Planes to a poor finish
Ease of planing is moderate


Resistance to Impregnation
Permeable heartwood
Permeable sapwood
Heartwood is permeable


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


Turning
Very Good to Excellent Results
Fair to Good Results


Veneering Qualities
Suitable for peeling
Veneers easily
Veneers moderately easy
Difficult to veneer
Easy to cut


Staining
Fair to Good Results


Strength Properties
Toughness-Hammer drop (Impact Strength) = very low
Shrinkage, Tangential = moderate
Shrinkage, Radial = very small
Shearing strength (parallel to grain) = low
Modulus of Elasticity (stiffness) = low
Max. crushing strength = medium
Bending strength (MOR) = low


Numerical Data
ItemGreenDryEnglish
Bending Strength61119589psi
Impact Strength15inches
Maximum Crushing Strength39166397psi
Shearing Strength1560psi
Stiffness135815681000 psi
Radial Shrinkage2%
Tangential Shrinkage7%
ItemGreenDryMetric
Bending Strength429674kg/cm2
Impact Strength38cm
Maximum Crushing Strength275449kg/cm2
Shearing Strength109kg/cm2
Stiffness951101000 kg/cm2
Radial Shrinkage2%

References
Browne, F.G.,1955,Forest Trees of Sarawak and Brunei and their Products.,Government Printing Office, Kuching, Sarawak

Burgess, H.J.,1956,The timbers of Keledang and Terap,Malayan Forester 19(1) pp36-40

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

Lee, Y.H., Lopez, D.T.,1968,The Machining Properties of some Malayan Timbers,Malayan Forester,3,pp194-210