Pometia Pinnata (Kasai)


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Scientific Name
Pometia pinnata

Trade Name
Kasai

Family Name
Sapindaceae

Common Names
Agupanga, Aiafai, Aklam, Ako, Akwa, Alanipo, Aloyam, Asam kuang, Atam, Awa, Awang, Baiuka, Balokanag, Bangked, Bas, Bayod, Bayuso, Bayuto, Bidoso, Bioso, Bolokanga, Bontog, Cha-i, Cuhing, Daganon, Daine, Doko, Ebo, Galunggung, Gasuli, Gema, Gia-gia, Gima, Goyod, Hatobu, Ibu, Ihi mendek, Iseh, Jagir, Jampano, Kabokabot, Kajoe sapi, Kalambanan, Kanggo, Karangyan, Karsai, Kasai, Kasai Sibu, Kase, Kasei, Kauna, Kayaui, Keba, Kia-kia, Kirone, Koengki, Koengkil, Koiawa, Kongkir, Koyaua, Kraungyan, Kuakia, Kuglik, Kungkil, Landung, Landur, Langsek anggang, Laui, Lauteneng, Leungsir, Loto, Maa, Madala, Madalo, Madlau, Magtalisa, Mala kobe, Mala ula, Malaguab, Malatagum, Malugai, Malugal, Manggis, Mansanab, Matoa, Megan, Menda, Minamukai, Mohui, Moroboro, Motoa, Muni, Nautu, Ngaa, Ngaache, Ngelak, Niai, Nonde, Ohabu, Okamu, Pakam, Pometia, Sapen, Senai, Sibu, Sida-i, Sioso, Suket, Takugan, Takupan, Talaburisu, Tanabag, Taun, Tauna, Tava, Tawa, Tawan, Teno akwa, Tigaiu, Togaui, Truong, Tugaui, Tun, Turtugaui, Tuun, Tze, Uyakya, wesel

Regions of Distribution
Oceania and S.E. Asia

Countries of Distribution  [VIEW MAP]
India, Indonesia, Malaysia, Papua New Guinea, Philippines, Solomon Islands, Sri Lanka, Vietnam

Common Uses
Agricultural implements, Bedroom suites, Boat building (general), Boat building: decking, Boat building: framing, Boat building: planking, Boxes and crates, Bridge construction, Building construction, Building materials, Cabin construction, Cabinetmaking, Chairs, Chests, Concealed parts (Furniture), Construction, Cooperages, Core Stock, Decks, Decorative veneer, Desks, Dining-room furniture, Domestic flooring, Dowell pins, Dowells, Drawer sides, Factory construction, Factory flooring, Figured veneer, Fine furniture, Floor lamps, Flooring, Flooring: industrial heavy traffic, Furniture , Furniture components, Furniture squares or stock, Furniture, Handles: general, Hatracks, Heavy construction, Interior construction, Interior trim, Joinery (external): ground contact, Joinery, Kitchen cabinets, Ladders, Light construction, Living-room suites, Medicinal use, Mine timbers, Moldings, Musical instruments , Musical instruments, Musical instruments: piano, Office furniture, Organ pipes, Paneling, Parquet flooring, Plywood, Poles, Pulp/Paper products, Railroad ties, Shipbuilding, Sporting Goods, Tool handles, Toys, Turnery, Veneer

Environmental Profile

Rare in parts of its natural range
Generally secure within most of its natural habitat, but note exceptions.
Extinct, Endangered, Vulnerable, or Rare within parts of its range
Data source is World Conservation Monitoring Center

Rare in Taiwan and Vulnerable in the Philippines. Its environmental status in Vietnam is suspected to be either Extinc, Endangered, Vulnerable, or Rare

Distribution Overview
Various species in the genus Pometia are distributed in Malaysia, Indochina, the Philippines, and other western Pacific islands. They are widespread and occur in large numbers in coastal areas and foothills.

Heartwood Color

Yellow
Orange
Reddish brown
Pale red to pink
Red
Purple
Pale brown
Brown
Dark brown
Purplish
Greenish to greyish

Sapwood Color

White
Yellow
Brown
White to yellow
Pinkish
Well defined
Paler than heartwood
Pale pink/buff
Not always clearly defined

Grain

Straight
Interlocked
Figure
Rippled (figure)
Wavy
Crossed
Even
Other (figure)
Closed
Stripe (figure)
Variable (figure)

 

Straight
Interlocked
Rippled figure
Wavy
Other figure
Variable figure
Striped figure
Occasionally interlocked, but not always
Generally straight, but not always
Figure shows spiral

Texture

Coarse
Medium
Medium to coarse
Coarse
Medium
Fine
Fine to medium
Fine to coarse and uneven

Luster

High
Medium
Slightly lustrous
Lustrous
Low

Natural Durability

Perishable
Very durable
Moderately durable
Susceptible to attack from powder post (Lyctid & Bostrychid) beetles
Susceptible to marine borer attack
Non durable
Susceptible to attack from termites (Isoptera)
Pinworms (ambrosia beetles) are commonly present
Vulnerable to pinhole borer and marine borer attack
Susceptible to blue stain
Resistant to wood staining fungal attack
Resistant to attack from pinworms (ambrosia beetles)
Pinworms (ambrosia beetles) may be present in the felled log
Heartwood is susceptible to wood staining fungal attack
Durable

Odor

No specific smell or taste

Silica Content

High
Siliceous

Toxicity

Respiratory effects
Dermatitic effects

Kiln Schedules

Kiln Drying Rate (in days) is rapid
Dry at a slow speed
Dry at a moderate speed
UK=D U=T3D2/T3C1
UK=C US=T3C2/T3C1 Fr=3
Table 505 Scehdule Code 33 -32 (4/4) US

Drying Defects

Moderate twist/warp
Moderate surface checking
Slight collapse and honeycomb
Severe twisting/warping
Moderate end spitting
Moderate collapse and honeycombing
Harsh kiln-schedule may cause backsawn material to surface check and twist

Ease of Drying

Fairly Easy
Slowly
Reconditioning Treatement
Moderately Difficult to Difficult
Difficult
Moderate
Controlled drying conditions will prevent rapid drying and yield best results.
Air dries slowly

Kiln Drying Rate

Naturally dries at a moderate speed
Rapid (<10 days for boards < 32 mm, to <30 days for boards >= 63 mm)

Tree Identification

Bole/stem form is buttressed
Bole/stem form is fluted
Bole/stem form is straight
Bole/stem form is misshapen
Bole/stem form is cylindrical

Tree Size

Tree height is 30-40 m
Tree height is 20-30 m
Bark width is 30-40 mm
Bark width is 40-50 mm
Bark width is 25-30 mm
Bark width is 20-25 mm
Trunk diameter is 100-150 cm

Comments
General finishing qualities are rated as good

General finishing qualities are rated as poor

General finishing qualities are rated as satisfactory

Tree produces edible fruit, leaves and bark used for medicinal purposes

Blunting Effect

High to severe
Blunting effect on sawing green wood is mild
Medium effect
Blunting effect on sawing dry wood is moderate
Blunting effect on sawing dry wood is mild
Blunting effect on machining is slight
Blunting effect on machining is moderate

Boring

Poor to very poor results
Fairly difficult to very difficult
Moderately easy

Carving

Poor to Very Poor Results
Fairly Difficult to Very Difficult

Cutting Resistance

Easy to saw
Fairly Difficult to Very Difficult to saw
Cutting Resistance with green wood is easy
Cutting Resistance with dry wood is easy
Cutting Resistance with green wood is moderate
Cutting Resistance with dry wood is difficult
Excellent surfaces
Easy to saw
Cutting Resistance with green wood is difficult
Cutting Resistance with dry wood is moderate

Gluing

Easy to glue
Satisfactory gluing properties

Mortising

Poor to Very Poor Results
Fairly Difficult to Very Difficult
Finishes satisfactorily

Moulding

Poor to Very Poor Results
Fairly Difficult to Very Difficult
Good finishing results

Movement in Service

Excellent Stability – Small Movement
Medium
Small
Small to medium

Nailing

Easy to nail
Holds nails well
Holds satisfactorily
Good nailing properties

Planing

Fairly Difficult to Very Difficult
Poor to Very Poor Results
Planes well, to a good finish
Planes to a satisfactory finish
Machining properties depend on growth site and tree form
Generally good response
Easy to plane
Ease of planing is moderate

Resistance to Impregnation

Permeable heartwood
Permeable sapwood
Heartwood is resistant
Heartwood is highly resistant
Sapwood is moderately resistant
Heartwood is moderately resistant
Sapwood is moderately resistant
Heartwood is permeable

Response to Hand Tools

Easy to Work
Easy to machine
Moderate working qualities
Variable qualities
Generally good response

Routing & Recessing

Poor to Very Poor Results
Fairly Difficult to Very Difficult
Satisfactory routing results

Sanding

Good sanding finish
Fairly good sanding characteristics

Screwing

Screwing yields good results
Holds screws well
Easy to screw

Turning

Poor to Very Poor Results
Fairly Difficult to Very Difficult
Easy to turn
Turns with moderate ease
Good results
Finish is generally satisfactory

Veneering Qualities

Difficult to glue
Moderately easy to veneer
Diifficult to veneer
Suitable for peeling
No drying degrade. Dries flat without splitting
Bolt preparation requires steaming

Steam Bending

Good

Painting

Satisfactory results
Good results

Polishing

Good results
Takes high polish
Satisfactory results

Staining

Finish is generally satisfactory
Staining is easy

Varnishing

Satisfactory
Good results

Strength Properties

Density (dry weight) = 38-45 lbs/cu. ft.
Density (dry weight) = 46-52 lbs/cu. ft.
Max. crushing strength = medium
Shearing strength (parallel to grain) = medium
Bending strength (MOR) = medium
Shrinkage, Tangential = fairly large
Shrinkage, Radial = fairly large
Modulus of Elasticity (stiffness) = medium
Max. crushing strength = high
Bending strength (MOR) = high
Modulus of Elasticity (stiffness) = high
Hardness (side grain) = soft
Shearing strength (parallel to grain) = low
Shrinkage, Tangential = moderate
Hardness (side grain) = medium
Shrinkage, Radial = moderate
Density (dry weight) = 53-60 lbs/cu. ft.
Shrinkage, Tangential = small
Shrinkage, Radial = small
Modulus of Elasticity (stiffness) = very low
Modulus of Elasticity (stiffness) = low
Density (dry weight) = 31-37 lbs/cu. ft.
Shrinkage, Tangential = large
Shrinkage, Radial = large
Resists denting and marring
Heavy
Density = high
Compression strength (parallel to grain) = high

Numerical Data

Item Green Dry English
Bending Strength 9910 16370 psi
Crushing Strength 584 994 psi
Density 44 lbs/ft3
Hardness 1234 lbs
Impact Strength 25 32 inches
Maximum Crushing Strength 4947 7621 psi
Shearing Strength 1943 psi
Static Bending 4872 9408 psi
Stiffness 1642 1962 1000 psi
Toughness 334 inch-lbs
Specific Gravity 0.54 0.65
Weight 44 43 lbs/ft3
Radial Shrinkage 5 %
Tangential Shrinkage 7 %
Volumetric Shrinkage 13 %
Item Green Dry Metric
Bending Strength 696 1150 kg/cm2
Crushing Strength 41 69 kg/cm2
Density 705 kg/m3
Hardness 559 kg
Impact Strength 63 81 cm
Maximum Crushing Strength 347 535 kg/cm2
Shearing Strength 136 kg/cm2
Static Bending 342 661 kg/cm2
Stiffness 115 137 1000 kg/cm2
Toughness 384 cm-kg
Specific Gravity 0.54 0.65
Weight 705 689 kg/m3
Radial Shrinkage 5 %
Tangential Shrinkage 7 %

References
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Bolza, E., Kloot, N.H.,1976,The Mechanical Properties of 81 New Guinea Timbers,C.S.I.R.O. Div. Building Res. Tec.Paper (2nd series) 11

Bolza, E.,1975,Properties and Uses of 175 Timber Species from Papua New Guinea and West,Irian,C.S.I.R.O. Div. Building Research Report,no.34

Bolza, E.,1976,Timber and Health,Div. Building Res. C.S.I.R.O. Australia

Bolza, E.,1981,The Mechanical properties of 33 Solomon Islands timbers,C.S.I.R.O. Div. Building Research. Technical Paper (2nd series) No.37

Boone, R.S., C.J. Kozlik, P.J. Bois, and E.M. Wengert. 1988. Dry Kiln Schedules for Commercial Woods – Temperate and Tropical. United States Department of Agriculture, Forest Service, General Technical Report FPL-GTR-57, Forest Products Laboratory, Madison, Wisconsin.

Brown, W.H.,1978,Timbers of the World, No. 8 Australasia,TRADA, Red Booklet Series

Budgen, B.,1981,Shrinkage and density of some Australian and South-East Asian Timbers,C.S.I.R.O. Div. building Res. Tech Paper(2nd Series) No.38

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Cameron, S.,1945,Some Notes on Utilisation of Timbers in the South-West Pacific,New Zealand Journal of Forestry Volume 5(2) 117-127

Da Costa, E.W.B., Osborne, L.D.,1967,Comparative decay resistance of 26 New Guinea timber species in,accelerated laboratory tests,Comm. Forestry Review 46(1) pp63-74

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EcoTimber International, San Francisco, California. Personal Communication, 1993.

Eddowes, P.J. 1977. Commercial Timbers of Papua New Guinea – Their Properties and Uses. Forest Products Research Center, Office of Forests, Department of Primary Industry, Papua New Guinea.

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Griffioen, K.,1967,Colloque sur le role des recherches techniques dans le developpement de,l’emploi des bois tropicaux en Europe,C.T.F.T.

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