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Blunting Effect
Boring
Comments
Common Names
Common Uses
Countries of Distribution
Cutting Resistance
Drying Defects
Ease of Drying
Family Name
Grain
Heartwood Color
Kiln Drying Rate
Kiln Schedules
Luster
Mortising
Moulding
Natural Durability
Natural Growth Defects
Numerical Data
Planing
Polishing
References
Regions of Distribution
Resistance to Impregnation
Resistance to Splitting
Response to Hand Tools
Sanding
Sapwood Color
Scientific Name
Staining
Strength Properties
Synonyms
Texture
Trade Name
Tree Identification
Tree Size
Turning

Scientific Name
Artocarpus altilis

Trade Name
Agob

Family Name
Moraceae

Synonyms
Artocarpus communis, Artocarpus incisa


Wood Image 1

Common Names
Agob, Antipolo, Arbre a pain, Arto carpe, Artocarpa, Atipolo, Atipuo, Breadfruit tree, Dalungian, Kamanse, Kapiak, Pakak, Pakak-bakia, Panapen, Razara, Tipolo, Togog, Tugop, Tuyop, Ubien

Regions of Distribution
Africa, Central America, Oceania and S.E. Asia

Countries of Distribution  [VIEW MAP]
Burma, India, Malaysia, Nigeria, Papua New Guinea, Philippines, Puerto Rico [US], Sierra Leone, Sri Lanka, Vanuatu

Common Uses
Agricultural implements, Boat building (general), Boat building: framing, Boxes and crates, Bridge construction, Cabinetmaking, Canoes, Chemical derivatives, Coffins, Concrete formwork, Cooperages, Furniture, Heavy construction, Joinery, Light construction, Moldings, Musical instruments, Paneling, Particleboard, Plywood corestock, Plywood, Pulp/Paper products, Sporting Goods, Toys, Veneer

Heartwood Color
Yellow
Orange
Brown
Red
Yellow to golden-yellow to orange
Pale brown
Brown


Sapwood Color
White
Yellow
White to yellow
Well defined


Grain
Straight
Even
Interlocked
Figure
Stripe (figure)

Straight
Striped figure
Interlocked


Texture
Coarse
Fine
Medium
Medium to coarse
Coarse
Fine


Luster
Medium
Low
Lustrous
Dull


Natural Growth Defects
Whitish deposits in vessels
Brittleheart is rare or absent. When present, it is sparse in amount


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


Kiln Schedules
Dry at a moderate speed
Drying (speed) is fast
Dry at a slow speed


Drying Defects
Distortion
Splitting
Moderate twist/warp
Moderate end spitting


Ease of Drying
Fairly Easy
Rapidly
Slowly
Moderately Difficult to Difficult
Easy
Moderate


Kiln Drying Rate
Naturally dries at a moderate speed
Naturally dries slowly
Naturally dries quickly


Tree Identification
Bole/stem form is straight
Bole/stem form is not buttressed
Bole/stem form is cylindrical
Bole/stem form is buttressed


Tree Size
Tree height is 20-30 m
Tree height is 30-40 m
Tree height is 10-20 m
Trunk diameter is 100-150 cm


Comments
General finishing qualities are rated as good

General finishing qualities are rated as poor

Blunting Effect
Moderate
Blunting effect on machining is moderate


Boring
Fairly difficult to very difficult
Difficult


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


Mortising
Poor to Very Poor Results
Finishes poorly


Moulding
Poor to Very Poor Results
Poor moulding results


Planing
Fair to Good Results
Fairly Easy to Very Easy
Fairly Difficult to Very Difficult
Very Good to Excellent Results
Ease of planing is moderate
Planes well, to a good finish
Planes to a satisfactory finish


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


Resistance to Splitting
Excellent


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


Sanding
Poor to Very Poor Results
The sanding finish is generally poor


Turning
Poor to Very Poor Results
Poor results


Polishing
Very Good to Excellent Results
Fair to Good Results
Good results


Staining
Staining (Characteristic) = coloured water-soluble extract


Strength Properties
Shrinkage, Radial = very small
Shrinkage, Tangential = very small
Shrinkage, Tangential = small
Shrinkage, Radial = small
Density (dry weight) = 15-22 lbs/cu. ft.
Shrinkage, Tangential = moderate
Shrinkage, Tangential = fairly large
Shrinkage, Radial = moderate
Max. crushing strength = low
Density (dry weight) = 23-30 lbs/cu. ft.
Bending strength (MOR) = low


Numerical Data
ItemGreenDryEnglish
Bending Strength61119589psi
Density21lbs/ft3
Maximum Crushing Strength21393916psi
Weight2117lbs/ft3
Radial Shrinkage2%
Tangential Shrinkage5%
ItemGreenDryMetric
Bending Strength429674kg/cm2
Density336kg/m3
Maximum Crushing Strength150275kg/cm2
Weight336272kg/m3
Radial Shrinkage2%

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

Brown, W.H.,1978,Timbers of the World, No. 4 South East Asia,TRADA, Red Booklet Series

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

Eddowes, P.J.,1977,Commercial Timbers of Papua New Guinea: Their Properties and Uses,Hebano Press, Port Moresby, Papua New Guinea

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

Kraemer, J.H.,1951,Trees of the Western Pacific Region,West Lafayette, Indiana U.S.A.

Little, E.L., Wadsworth, F.H.,1964,Common Trees of Puerto Rico and the Virgin Islands,U.S.A. Department of Agriculture, Agriculture Handbook,No.249

Little, E.L.,1948,A Collection of Tree Specimens from Western Ecuador,Caribbean Forester,9(3,pp215-98

Longwood, F.R.,1961,Puerto Rican Woods - Their Machining Seasoning and Related Characteristics,U.S.A. Department of Agriculture, Agriculture Handbook,No.205

Ng, F.S.P.,1978,Tree Flora of Malaya A Manual for Foresters Volume 3,Forest Department Ministry of Primary Industries Malaysia

Reyes, L.J.,1938,Philippine Woods,Commonwealth of the Philippines Department of Agriculture and Commerce,Technical Bulletin,No.7

Swabey, C.,1941,The Principal Timbers of Jamaica,Department of Science and Agriculture Jamaica Bulletin No.29

Takahashi, A.,1978,Compilation of Data on the Mechanical Properties of Foreign Woods (Part,III) Africa,Shimane University, Japan, Research Report on Foreign Wood No. 7