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Bajan
Bajan (Lophopetalum littorale)

Family: Celastraceae

Common names: Bajan, Mata ulat, Mon-diang

Distributed in: Burma, India, Indonesia, Malaysia (Oceania and S.E. Asia)

Distribution overview: Species in the Lophopetalum genus are found in the Indo-Malayan region, North Borneo, and Indonesia.

Common uses: Boxes and crates, Furniture, Heavy construction, Light construction, Mathematical instruments, Paneling, Plywood, Veneer

Tree size: Tree height is 20-30 m

Colors: the heart isRed, Yellowand the sapwoodWhite, Yellow.The grain isStraight, the textureMediumand the lusterMedium

Natural durability: Moderately durable, Susceptible to marine borer attack

Kiln Schedules: Drying (speed) is fast

Drying Defects: Slight surface checking, Splitting

Ease of Drying: Moderately Difficult to Difficult

Boring: Easy

Cutting Resistance: Easy to saw

Planing: Planes well, to a good finish

Resistance to Impregnation: Heartwood is extremely resistant

Response to hand tools: Easy to Work

Veneering qualities: Veneers easily, Veneers moderately easy

Turning: Poor results

Polishing: Very Good to Excellent;

  • Numerical data Metric
  • Numerical data English
  • Strength properties
  • References
Item Green Dry Metric
Specific Gravity
Density kg/m3
Bending Strength 654 1024 kg/cm2
Crushing Strength 275 449 kg/cm2
Hardness 451 kg
Impact Strength 71 cm
Shearing Strength kg/cm2
Stiffness 152 175 1000 kg/cm2
Tangential Shrinkage %
Radial Shrinkage 3 %
Weight kg/m3
Maximum Load cm-kg/cm3
Toughness cm-kg
Static Bending kg/cm2
Item Green Dry English
Bending Strength 9310 14566 psi
Hardness 995 lbs
Impact Strength 28 inches
Maximum Crushing Strength 3916 6397 psi
Stiffness 2167 2494 1000 psi
Radial Shrinkage 3 %
Tangential Shrinkage 4 %

Toughness-Hammer drop (Impact Strength) = low
Shrinkage, Tangential = very small
Shrinkage, Radial = small
Modulus of Elasticity (stiffness) = high
Max. crushing strength = medium
Hardness (side grain) = soft
Bending strength (MOR) = medium

Anon,1963,Indian Woods: Their Identification, Properties and uses. Vol.II Linaceae,to Moringaceae,Manager of Publications, Delhi, IndiaBurgess, P.F.,1966,Timbers of Sabah,Sabah Forest Record, no.6Lee, Y.H., et al,1974,Commercial Timbers of Peninsular Malaysia,Kuala Lumpur Malaysia Department of Forestry Peninsular Malaysia and,Malaysian Timber Industry BoardLee, Y.H., Lopez, D.T.,1968,The Machining Properties of some Malayan Timbers,Malayan Forester,3,pp194-210Whitmore, T.C. (Ed.,1972,Tree Flora of Malaya A Manual for Foresters Volume 1,Forest Department Ministry of Agriculture and Lands Malaysia
*Come interpretare i dati (manleva su eventuali imprecisioni)