Species: Mengkulang / Palapi


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Mengkulang / Palapi
Species profile
The wood varies from light pink to red, darkening to red brown with light. Silver figure clearly visible. It has clearly demarcated sapwood. The grain is straight or interlocked and the texture is coarse. Density at 12 % moisture content: 0.68 g/cm3.

The blunting effect is normal to high due to silica content. Tendency to tear on quartersawn. Peeling and slicing is reported to be good. Nailing is good but pre-boring is necessary. It tends to split in nailing. Gluing is correct. It dries rapid to normal. Drying requires care in order to minimize defects.

Mengkulang is poorly durable to fungi and is durable to dry wood borers; sapwood demarcated (risk limited to sapwood). Resistance to decay low to moderate.

Mengkulang can be used for several applications such as:
• interior: e.g. high class furniture, veneer, flooring, panelling, boxes and crates, light carpentry, joinery, sliced veneer, formwork
• exterior: e.g. panelling, joinery

Finishing is quite good with filling.

References
• CIRAD Forestry Department

Family:MALVACEAE (angiosperm)
Origin:Asia and Oceania
Local and common name(s)
Don Chem, Teraling, Mai Po Hao, Mengulang, Kanzo, Chumprak, Palapi, Mai Hao, Kembang, Lumbayau, Huynh,
Scientific name(s)
Tarrietia javanica, Heritiera javanica (synonymous), Tarrietia simplicifolia, Heritiera simplicifolia (synonymous),
Typical use
Veneer for interior of plywood, Sliced veneer, Current furniture or furniture components, Interior joinery, Exterior joinery, Light carpentry, Formwork, Cabinetwork (high class furniture), Veneer for back or face of plywood, Flooring, Interior panelling, Blockboard, Exterior panelling, Glued laminated, Boxes and crates,
Risk
Commercial restriction:No commercial restriction
IUCN Red List status:
Appearance
Grain:Straigth or interlocked
Interlocked Grain:Slight
Sapwood:Not clearly demarcated
Texture:Coarse
Typical colour:Brown
Physical description
Crushing strength:59 (+/- 4) MPa
Specific Gravity (at 12% MC):0,68 (+/- 0,03)
Stability:Moderately stable
Static bending strength:101 (+/- 16) MPa
Strength class:
Durability
Dry wood borers:Class D - Durable
Fungi:Class 4 - Poorly durable
Termites:Class S - Susceptible
Treatability:Class 3 - Poorly permeable
References
Technical descriptions from the software Tropix 7 [1], with permission of the Research Unit Biomass, Wood, Energy, Bioproducts [2], CIRAD [3].

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