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Merkus pineMerkus pine
Merkus pine (Pinus merkusii)

Family: Pinaceae

Common names: Damar batu, Damar bunga, Huyam, Indo-China pine, Kayu sala, Kayu sugi, Merkus pine, Merkusfohre, Merkustall, Mindoro pine, Pine, Pinus, Sral, Sumatra pine, Sumatrakiefer, Tapulan, Tapulau, Thong mu, Tingyu, Tinshu, Tinyu, Tusam, Uyam

Distributed in: Cambodia, China, India, Indonesia, Laos, Malaysia, Myanmar, Philippines, South Africa, Thailand, Vietnam (Africa, Oceania and S.E. Asia)

Distribution overview: Merkus pine occurs in eastern Burma, Indochina, Sumatra, and the islands of Luzon and Mindoro in the Philippines. The species is also cultivated in Malaysia. It is the only member in the Pinus genus that is indigenous to regions south of the Equator.

Common uses: Bedroom suites, Boat building, Boxes and crates, Building construction, Building materials, Cabin construction, Cabinetmaking, Canoes, Casks, Chairs, Charcoal, Chests, Concealed parts (Furniture), Construction, Core Stock, Decorative plywood, Decorative veneer, Desks, Dining-room furniture, Domestic flooring, Dowell pins, Dowells, Drawer sides, Factory construction, Factory flooring, Figured veneer, Fine furniture, Floor lamps, Flooring, Furniture , Furniture components, Furniture squares or stock, Furniture, Hatracks, Heavy construction, Kitchen cabinets, Lifeboats, Light construction, Living-room suites, Matches, Mine timbers, Office furniture, Packing cases, Particleboard, Plywood, Poles, Railroad ties, Shipbuilding, Toothpicks, Veneer

Product sources: Timber produced by Merkus pine is often mixed and marketed with that from Benguet pine (P. insularis).Apart from timber, Merkus pine is also reported to produce high-quality oleo-resins.

Environment profile: Generally secure within most of its natural habitat, but note exceptions.

Tree size: Trunk diameter is 150-200 cm

Colors: the heart isYellow to golden-yellow to orange, Yellow, yellowish-red, yellowish-brown, or orange brown and the sapwoodWhite to yellow, Yellow.The grain isStraight, the textureUniformand the lusterSlightly lustrous

Natural durability: Untreated wood in contact with ground could decay in less than 5 years, Very little natural resistance to decay in ground contact

Odor: No specific taste

Kiln Drying Rate: Naturally dries quickly

Drying Defects: Slight surface checking, Staining

Ease of Drying: Reconditioning Treatement

Boring: Wood bores well, especially when dry

Carving: Carves well in dry condition

Cutting Resistance: Fairly good sawing characteristics, despite high resin content

Gluing: Moderate gluing properties

Mortising: Poor to Very Poor

Moulding: Very Good to Excellent

Movement in Service: Very Good to Excellent

Nailing: Good nail holding properties , Very Good to Excellent

Planing: Very Good to Excellent

Resistance to Impregnation: Resistant sapwood

Response to hand tools: Responds well to hand tools

Routing recessing: Responds well to routing operations

Sanding: Good sanding properties

Veneering qualities: Veneers easily, Veneers moderately easy

Steam bending: Poor to Very Poor Results

Screwing: Fairly Easy to Very Easy, Very Good to Excellent Results; Turning: Very Good to Excellent Results

Painting: Very Good to Excellent; Polishing: Material takes a high polish ; Staining: Very Good to Excellent; Varnishing: Very Good to Excellent;

  • Numerical data Metric
  • Numerical data English
  • Strength properties
  • References
Item Green Dry Metric
Specific Gravity 0,54 0,59
Density 673 kg/m3
Bending Strength 718 1297 kg/cm2
Crushing Strength 41 90 kg/cm2
Hardness 509 kg
Impact Strength 71 cm
Shearing Strength 103 kg/cm2
Stiffness 136 170 1000 kg/cm2
Tangential Shrinkage %
Radial Shrinkage %
Weight kg/m3
Maximum Load 0,63 cm-kg/cm3
Toughness 395 cm-kg
Static Bending 348 777 kg/cm2
Item Green Dry English
Bending Strength 10213 18448 psi
Crushing Strength 594 1281 psi
Density 42 lbs/ft3
Hardness 1123 lbs
Impact Strength 28 inches
Maximum Crushing Strength 4707 8414 psi
Shearing Strength 1478 psi
Static Bending 4962 11053 psi
Stiffness 1944 2420 1000 psi
Toughness 343 inch-lbs
Work to Maximum Load 9 inch-lbs/in3
Specific Gravity 0.54 0.59
Weight 65 lbs/ft3

Modulus of Elasticity (stiffness) = high
Hardness (side grain) = soft
Very high bending strengthand high crushing strength
Shrinkage, Tangential = very small
Resists wearing and marring
Resists denting and marring
Modulus of Elasticity (stiffness) = medium
Max. crushing strength = medium
Max. crushing strength = high
High in density
Hardness = medium
Bending strength (MOR) = medium
Bending strength (MOR) = high

Chudnoff, M.,1984,Tropical Timbers of the World,U.S.A. Department of Agriculture, Forest Service, Forest Products,Laboratory, Madison.Desch, H. E. 1957. Manual of Malayan Timbers. Malayan Forest Records, 28(30):315-318.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,1Lauricio, F. M., Bellosillo, S. B., The Mechanical and Related Properties of Philippine Woods, The Philippine Lumber Journal, 12(5):A-H 787,1180,64,307Smith, N.J.H, J.T. Williams, D.L. Plucknett and J.P. Talbot.1992.Tropical Forests and their Crops.Comstock Publishing Associates, a division of Cornell University Press, Ithaca.WCMC. 1992. Conservation Status Listing - Trees and Timbers of the World. World Conservation Monitoring Center-Plants Programme, Cambridge, CB3 ODL, United Kingdom.
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