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Blunting Effect
Boring
Carving
Common Names
Common Uses
Countries of Distribution
Cutting Resistance
Distribution Overview
Drying Defects
Ease of Drying
Environmental Profile
Gluing
Grain
Heartwood Color
Kiln Schedules
Luster
Mortising
Moulding
Movement in Service
Nailing
Natural Durability
Numerical Data
Odor
Planing
Polishing
References
Regions of Distribution
Resistance to Impregnation
Response to Hand Tools
Routing & Recessing
Sanding
Sapwood Color
Scientific Name
Screwing
Silica Content
Staining
Strength Properties
Texture
Trade Name
Tree Size
Turning

Scientific Name
Koordersiodendron pinnatum

Trade Name
Ranggu

Family Name

Wood Image 1

Wood Image 1

Common Names
Ambugis, Amugis, Bangkahasi, Bangkalari, Dangila, Gagil, Kalumanog, Kantingen, Karogkog, Lakolako, Magalibas, Maguyabud, Marasantog, Mugis, Oris, Ranggu, Sambalagan, Sambulauan, Sarga, Taligaan, Twi, Uris, Urisan

Regions of Distribution
Oceania and S.E. Asia

Countries of Distribution  [VIEW MAP]
Indonesia, Malaysia, Philippines

Common Uses
Flooring, Furniture components, Joinery, Turnery

Environmental Profile
Abundant/Secure
Unknown because of lack of information
Data source is World Conservation Monitoring Center


Distribution Overview
Philippines, Celebes, and Borneo (including Sabah); a scattered tree in lowland forests.

Heartwood Color
Red
Brown
Yellow
White
Pink
Green/grey
Grey
Orange
Reddish brown
Dark brown

The wood is reported to often contain numerous tiny knots

Sapwood Color
White
Yellow
Brown
Red
White
Pinkish
Clearly differentiated from the heartwood
Brown - light grayish


Grain
Closed
Interlocked
Wavy

May be wavy or curly
Interlocked


Texture
Medium
Fine
Even or uniform
Uniform
Fine
Even textured


Luster
High
Variable luster


Natural Durability
Perishable
Non-durable
Susceptible to insect attack
Non-resistant to marine borers
Non-resistant to termites
Non-resistant to termites
Non-resistant to powder post beetles
Susceptible to termite attack
Moderately resistant to decay

Standing trees are also vulnerable to attack by longhorn beetles

Odor
Has an odor
No specific smell or taste


Silica Content
Siliceous


Kiln Schedules
Schedule K (4/4) United Kingdom
13-C4S (4/4); T11-3Ds (8/4) US


Drying Defects
Checking
Distortion
Shakes
Severe cupping
Expect splits


Ease of Drying
Fairly Easy
Medium to High Shrinkage
Reconditioning Treatement
Dries slowly with some degrade


Air-Seasoning stock in thicker dimensions prior to kiln-drying has been suggested to minimize degrade.
Radial = 3.5%
Shrinkage from Green to 12% MC
Tangential = 6.5%

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


It produces well developed buttresses that are about 5 feet (1.5 m) high

Blunting Effect
High to severe
Moderate effect


Boring
Fairly easy to very easy


Tool exits should be adequately supported to prevent break-out during boring

Carving
Fairly Easy to Very Easy


Cutting Resistance
Fairly Difficult to Very Difficult to saw


Gluing
Fair to Good Results
Very Good to Excellent Results
Fairly Easy to Very Easy
Good properties


Mortising
Fairly Easy to Very Easy


The timber is reported to mortise well, but it requires to be supported firmly at tool exits to prevent break-out

Moulding
Fairly Easy to Very Easy


Movement in Service
Shows only small movement after manufacture
Retains shape well after seasoning


Nailing
Fairly Easy to Very Easy
Fair to Good Results
Very Good to Excellent Results
Difficult to nail


Planing
Fairly Easy to Very Easy
Fairly Difficult to Very Difficult
Responds well to most tools, especially those with tipped cutters
Good planing properties

Quartersawn surfaces tend to tear. Other surfaces can be worked to a smooth finish

Resistance to Impregnation
Resistant sapwood
Resistant heartwood


The heartwood responds very poorly to impregnation, and the sapwood is fairly difficult to treat.

Response to Hand Tools
Easy to Work
Responds Readily


Routing & Recessing
Fairly Easy to Very Easy


Sanding
Fair to Good Results
Fairly Difficult to Very Difficult


Screwing
Fair to Good Results
Very Good to Excellent Results
Fairly Easy to Very Easy


Turning
Fairly Easy to Very Easy


Polishing
Fair to Good Results
Satisfactory results


Staining
Satisfactory staining qualities


Strength Properties
Max crushing strength = very high
Heavy
Density = high
Compression strength (parallel to grain) = high
Bending strength (MOR) = very high

It is far superior in strength to either Teak or Hard maple. It is harder than Hard maple or Teak. It is quite resistant to denting

Numerical Data
ItemGreenDryEnglish
Bending Strength1458620800psi
Density54lbs/ft3
Hardness1823lbs
Impact Strength4253inches
Maximum Crushing Strength765710550psi
Shearing Strength2465psi
Stiffness199233381000 psi
Specific Gravity0.650.71
Weight6553lbs/ft3
ItemGreenDryMetric
Bending Strength10251462kg/cm2
Density865kg/m3
Hardness826kg
Impact Strength106134cm
Maximum Crushing Strength538741kg/cm2
Shearing Strength173kg/cm2
Stiffness1402341000 kg/cm2
Specific Gravity0.650.71

References
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.

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

Lavers, G.M. 1969. The Strength Properties of Timbers. Forest Products Research Bulletin, No. 50 (Second Edition, Metric Units). Ministry of Technology, Her Majesty's Stationery Office, London.

Schneider, E.E. 1916. Commercial Woods of the Philippines: Their Preparation and Uses. Bulletin No. 14. Department of the Interior, Bureau of Forestry, Manila, Philippines.

WCMC. 1992. Conservation Status Listing: Trees and Timbers of the World. World Conservation Monitoring Center (WCMC, Plants Program, 219 Huntingdon Road, Cambridge, CB3 ODL, United Kingdom.