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Pericopsis
Pericopsis (Pericopsis mooniana)

Family: Leguminosae

Common names: Joemoek, Kayu laut, Kuku, Nani laut, Nedun, Pericopsis

Distributed in: Indonesia, Malaysia, Papua New Guinea, Philippines, Sri Lanka (Oceania and S.E. Asia)

Distribution overview: The species occurs in southeast Asia, and is found in Malaysia, Sri Lanka, Indonesia, and the Philippines.

Common uses: Agricultural implements, Balusters, Bedroom suites, Billiard-cue butts, Boat building (general), Boat building, Boxes and crates, Bridge construction, Brush backs & handles, Building construction, Building materials, Cabin construction, Cabinetmaking, Canoes, Carvings, Construction, Decks, Domestic flooring, Drawer sides, Drum sticks, Factory construction, Factory flooring, Flooring, Flooring: commercial heavy traffic, Furniture , Furniture, Handles: general, Heavy construction, Interior construction, Joinery, Kitchen cabinets, Ladders, Lifeboats, Light construction, Living-room suites, Mine timbers, Moldings, Musical instruments , Musical instruments, Office furniture, Organ pipes, Paneling, Parquet flooring, Piano keys, Pianos , Piling, Plywood, Poles, Radio - stereo - TV cabinets, Railroad ties, Shipbuilding, Sounding boards, Sporting Goods, Stairworks, Stringers, Sub-flooring, Toys, Turnery, Vehicle parts, Veneer, Veneer: decorative, Violin bows, Violin, Xylophones

Product sources: Trunk DataTrunk diameter of the mature tree is about 12 to 28 inches (30 to 70 cm).

Environment profile: Data source is World Conservation Monitoring Center This species is officially classified as Vulnerable within its natural growth range in Indonesia, Rare in Malaysia, and either Extinct, Endangered, Vulnerable, or Rare in Java, Kalimantan (Indonesia), and Sri Lanka. Its status in the wild is listed as unknown because of insufficient information in Malaysia, Papua New Guinea, Philippines, Borneo, Sulawesi, Micronesia, and Palau

Tree size: Trunk diameter is 100-150 cm

Colors: the heart isDark brown, Dark brownand the sapwoodSapwood is lighter than heartwood , White to yellow.The grain isStraight, the textureFineand the lusterLustrous

Natural durability: Susceptible to attack from powder post (Lyctid & Bostrychid) beetles, Very durable

Odor: No specific smell or taste

Kiln Schedules: Dry at a slow speed

Drying Defects: Resin Exudation Tannin may promote wood discoloration during drying

Ease of Drying: Gum Exudation

Tree Identification: Bole/stem form is not buttressed

Comments: The bark of the tree is reported to contain tannin

Carving: Good results

Cutting Resistance: Sawing characteristics are good

Nailing: Holds nails well, Splits easily during nailing

Planing: good

Resistance to Impregnation: Sapwood is moderately resistant

Resistance to Splitting: Poor

Response to hand tools: Responds well to hand tools

Sanding: Good sanding properties

Turning: Easy to turn The material is reported to generally work well with ordinary machine tools. It turns, mortises, moulds, bores, and routs fairly easily, but may pick-up slightly in some operations.

Polishing: Very Good to Excellent;

  • Numerical data Metric
  • Numerical data English
  • Strength properties
  • References
Item Green Dry Metric
Specific Gravity
Density 769 kg/m3
Bending Strength 795 1240 kg/cm2
Crushing Strength 399 664 kg/cm2
Hardness kg
Impact Strength cm
Shearing Strength 158 kg/cm2
Stiffness 132 152 1000 kg/cm2
Tangential Shrinkage 8 %
Radial Shrinkage 4 %
Weight 769 608 kg/m3
Maximum Load cm-kg/cm3
Toughness cm-kg
Static Bending kg/cm2
Item Green Dry English
Bending Strength 11319 17640 psi
Density 48 lbs/ft3
Maximum Crushing Strength 5684 9457 psi
Shearing Strength 2259 psi
Stiffness 1891 2166 1000 psi
Weight 48 38 lbs/ft3
Radial Shrinkage 4 %
Tangential Shrinkage 8 %
Volumetric Shrinkage 11 %

Shrinkage, Radial = moderate
Density (dry weight) = 46-52 lbs/cu. ft.
Shrinkage, Tangential = large
Moderate
Fairly large
Small
Small
Shrinkage, Volumetric = moderate
Large
Fairly large
53-60 lbs/cu. ft.
The bending strength qualities of this species in the air-dry condition is very high, far superior to those of Mahogany. It has superior properties in compression parallel to grain in the air-dry condition than Teak, White oak, or Hard maple. The wood has high density.

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.34Burgess, P.F.,1966,Timbers of Sabah,Sabah Forest Record, no.6Eddowes, 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.Eddowes, P.J.,1977,Commercial Timbers of Papua New Guinea: Their Properties and Uses,Hebano Press, Port Moresby, Papua New GuineaGriffiden, K.,1967,Mechanical, physical and other properties of some West Irian (New Guinea,wood species and their suitability for the wood working industries in the,Netherlands,Forest Products Research Institute, TNO, Delhi, NetherlandsKeating, 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,1Stadelman, R.C.,1966,Forests of South-East Asia,Wimmer Bros., Memphis TennesseeWhitmore, 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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