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Indirizzo: via dei platani 4 liguria
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Anas
Anas (Pentacme contorta)

Family: Dipterocarpaceae

Common names: Anas, Angser, Apnit, Bakook, Balagbag, Balak, Balakbak, Bayokan, Bayukan, Bunge, Lauaan, Lauan-blanco, Lauanputi, Malaanonang, Malasinoro, Mayapis, Pamalalran, Tiaong, White lauan

Distributed in: Philippines (Oceania and S.E. Asia)

Common uses: Boat building (general), Boat building: planking, Boxes and crates, Cabinetmaking, Flooring, Furniture, Heavy construction, Joinery, Light construction, Mine timbers, Paneling, Particleboard, Plywood, Veneer

Colors: the heart isGreenish to greyish, Pale red to pinkand the sapwoodWhite, Yellow.The grain isRippled figure, the textureMedium to coarseand the lusterSlightly lustrous

Natural durability: Susceptible to insect attack, Very durable

Kiln Schedules: Drying (speed) is fast

Drying Defects: Checking, Distortion

Ease of Drying: Fairly Easy

Tree Identification: Bole/stem form is cylindrical

Comments: General finishing qualities are rated as good

Blunting Effect: Blunting effect on machining is slight

Gluing: Moderate gluing properties

Planing: Planes well, to a good finish

Resistance to Impregnation: Heartwood is permeable

Response to hand tools: Moderate working qualities

Veneering qualities: Suitable for peeling, There is slight to moderate drying degrade and the potential for buckles and splits

Turning: Good results

Staining: Finish is generally satisfactory ;

  • Numerical data Metric
  • Numerical data English
  • Strength properties
  • References
Item Green Dry Metric
Specific Gravity
Density 544 kg/m3
Bending Strength 429 674 kg/cm2
Crushing Strength 275 449 kg/cm2
Hardness 451 kg
Impact Strength cm
Shearing Strength kg/cm2
Stiffness 95 110 1000 kg/cm2
Tangential Shrinkage %
Radial Shrinkage 3 %
Weight 528 416 kg/m3
Maximum Load cm-kg/cm3
Toughness cm-kg
Static Bending kg/cm2
Item Green Dry English
Bending Strength 6111 9589 psi
Density 34 lbs/ft3
Hardness 995 lbs
Maximum Crushing Strength 3916 6397 psi
Stiffness 1358 1568 1000 psi
Weight 33 26 lbs/ft3
Radial Shrinkage 3 %
Tangential Shrinkage 7 %

Modulus of Elasticity (stiffness) = low
Density (dry weight) = 31-37 lbs/cu. ft.
Bending strength (MOR) = low
Max. crushing strength = medium
Shrinkage, Tangential = moderate
Shrinkage, Radial = small
Hardness (side grain) = soft
Density (dry weight) = 38-45 lbs/cu. ft.

Brown, W.H.,1969,Properties and uses of Tropical hardwoods in the United Kingdom. Part 1,Nonstructural properties and uses.,Conference on Tropical hardwoods SC-5/TN-5, Syracuse UniversityChudnoff, M.,1984,Tropical Timbers of the World,U.S.A. Department of Agriculture, Forest Service, Forest Products,Laboratory, Madison.I.U.F.R.O.,1973,Veneer Species of the World,Assembled at F.P.L. Madison on behalf of I.U.F.R.O. Working Party on,Slicing and Veneer CuttingLomibao, B.A.,1973,Guide to the identification of the woods of Philippine Dipterocarpaceae,Foxpride Digest 2(2) pp26-34Reyes, L.J.,1938,Philippine Woods,Commonwealth of the Philippines Department of Agriculture and Commerce,Technical Bulletin,No.7Tamesis, F., Aguilar, L.,1953,The 'Philippine mahogany' and other Dipterocarp woods,Philippine Department of Agriculture and Natural Research Popular Bulletin,No.44U.S.D.A. Forest Service,1974,Wood Handbook,U.S.A. Department of Agriculture, Forest Service Handbook,72
*Come interpretare i dati (manleva su eventuali imprecisioni)