mdf.htm
 
 
  Wood Species
     
 
     
 
 
 
 
USES: Same as Pulai. Laminated wood, drawers, plywood, shoe heels and ceiling.
 
 

Common Species Used for Timber and Panel Productions

RANGE: 2 to 3 species and Jelutong paya (I). lowii) and Jelutong bukit (U. costulata) generally known. Imported to Japan from Sabah and Sarawak, and large amount from Sarawak. Sap from scarred stems used for chewing-gum.

PROPERTIES: Wood similar to Pulai, but usually cylindric. having smaller latex traces than Pulai. Pith about 1 cm noticeable in the cross section.

bark: Outer bark grey or grey brown becoming dark when old, and surface fissured. Inner hark yellow white corky and reaching around 3 cut thick. Fresh wood oozing while milky sap when scarred.

wood: Heartwood not distinct, and wood white or pale yellow white. Wood surface partially pink when fresh and partially dark when old.

 
weight : A.D. 0.38 ~ 0.50.
   
grain : Straight.
   
texture : Moderately coarse.
 
 
 
 
 
     
 
 
 
USES: Substitute for Sepetir of Leguninosae. Package, plywood and furniture.
 
 

RANGE: About 27 species in South Fast Asia. Durian (D. zibethinus) planted for its fruit. Neesia and Coelostegia of the same family very similar to Durian and possibly treated as Durian. Imported to Japan from Sabah and Sarawak mixed with Meranti and Keruing. Annually large amount imported but small per ship.

PROPERTIES: Difference between dark red sapwood and pale heartwood on the log edge, but sapwood paler when sawn. Red brown vessel stripes clearly visible on wood surface when fresh.

bark: Outer bark dark brown or red brown with shallow wrinkles. Inner bark with thick reddish fibre bundles.

wood: On sawn face heartwood red brown or grey brown and sapwood white when fresh changing to grey brown with lapse of time.

 
weight : A.D.0.48' 0.75.
   
grain : Straight or interlocked.
   
texture : Coarse.
 
 
 
 
 
     
 
 
 
USES: Door-sills. steps, flooring, plywood, interior fittings and furniture
 
 

RANGE: 13 species from Bangladesh to New Guinea and the Louisiade Is. One of the genera of Dipterocarpaceae distributes in the farthest eastern area. large amount imported to Japan front Papua New Guinea, and also from Sabah and Sarawak, well known and widely used in Japan.

PROPERTIES: White resin often oozing out from sapwood.

bark: Generally thick and 2 ' 4 cm. Outer bark with axial irregular fissures. Inner bark pale yellow white or pale brown and fibrous.

wood: Heartwood not distinct. Wood pale yellow or pale yellow brown. Heartwood with pinkish stripes, which becoming brown when old and accordingly indistinct.

 
weight : A.D. 0.53 0.84.
   
grain : Usually interlocked.
   
texture : Coarse.
 
 
 
 
 
     
 
 
 
USES: Flooring, railroad coaches, package, dunnage. pallets, construction base, panels and plywood.
 
 

RANGE: About 75 species from India and Ceylon to Indo-China, the Philippine,, Sumatra, Borneo and Bali. In Japan one of the best known and the most widely used logs among tropical Asian logs together with Seraya and Meranti, and large amount imported mainly from Sabah and Sarawak. Sawn lumber imported in large amount.

PROPERTIES: Resin oozing out in the cross section and some times covers whole section.

bark: Some reaching 3 % 4 cm thick and some 0.5 cm. Outer bark grey or pale brown, and some smooth and some shallowly fissured. Inner bark yellow brown changing to brown or dark brown with lapse of time.

wood: Sapwood pale yellow white or somewhat red brown becoming grey after a Ion g period of time, Heartwood red brown with grey or red brown changing to darker.

 
weight : A.D. 0.56 ~, 0.88.
   
grain : Interlocked.
   
texture : Coarse.
 
 
 
 
 
     
 
 
 
USES: General construction, flooring, plywood, doorsill, railroad coaches, pallets and dunnage.
 
 

RANGE: 7 species in Malaya, Sumatra and Borneo. D. aromatica and D. oblongifolia growing in Malaya, Sumatra and Romeo. Others in Borneo only. Large amount imported together with sawn lumber and one of the best known among tropical Asian logs In Japan.

PROPERTIES: Resin usually oozing out concentrically.

bark: Outer bark grey brown or dark brown with shallow fissures. Inner bark red brown and fibrous.

wood: Sapwood pale yellow brown with somewhat pink, sometimes yellow partially. Heartwood pale red brown or dark red brown, Wood color similar to Keruing, but Kapur clearer. Generally odorous and strong when fresh.

 
weight : A.D.0.56~ 0,84.
   
grain : Usually straight and sometimes shallowly interlocked.
   
texture : Coarse.
 
 
 
 
 
     
 
 
 
USES: Furniture, cabinets, plywood, interior fittings and ships. Used widely as well as other Lauans.
 
 

RANGE: Of this genus. only 2 species belong to Lauans in the Philippines. P. contorta is popular. Growing in Luzon, Mindro, Masbate, Cebu, Samar, Leyte, Negros, Mindanao, Basilan, etc. They are White lauans in a narrow sense.

PROPERTIES: Some exceeding 1.11 m in diameter. Buttress of old trees prominent.

bark: 1 ~ 2 cm thick. Outer bark brown or black, with clear axial fissures. Inner bark brown or pate pink.

wood: Heartwood not distinct, sapwood pate grey and heartwood grey when fresh, and heartwood becoming pink with lapse of time.

 
weight : A.D. 0.44 ~0.59.
   
grain : Interlocked.
   
texture : Coarse.
 
 
 
 
 
     
 
 
 
USES: Typical red colored Lauan and used for construction, furniture, plywood, cabinets and many general purposes, substitute for Mahogany.
 
 

RANGE: This species belonging to Rubroshorea group, Red lauan in a narrow sense. Growing in Luzon, Leyte, Samar, Negros, north Mindanao, etc.

PROPERTIES: Sometimes diameter reaches 2 in with remarkable buttress.

bark: 1 ~ 2 cm thick, and dark brown or black with red. With shallow fissures and falls oil in rectangular pieces. Inner bark brown or red and fibrous.

wood: Sapwood yellow while gradually changing to dark red or brick red of heartwood.

 
weight : A.D. 0.42 ' 0.60.
   
grain : Interlocked.
   
texture : Coarse.
 
 
 
 
 
     
 
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