Species: Mersawa


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Mersawa
Species profile
The heartwood is orangey yellow darkening to golden brown. Presence of whitish resin veins. It does not have clearly demarcated sapwood. The grain is straight or interlocked and the texture is coarse. Density at 12 % moisture content: 0.63 g/cm3.

The blunting effect is high and peeling and slicing is reported to be good. Resin exudation in steaming. Tendency to tearing on quartersawn. Nailing is good and gluing is correct. It dries slowly. Drying requires care in order to avoid pocket moisture. The hardness varies from soft to fairly hard.

Mersawa is poorly durable to fungi and is susceptible to dry wood borers; sapwood not or slightly demarcated (risk in all the wood).

Mersawa can be used for several applications such as:
• interior: e.g. furniture, flooring, veneer, boxes and crates, panelling, mpoulding, joinery, sliced veneer, formwork

Filling is recommended to obtain a good finish.

References
• CIRAD Forestry Department

Family:DIPTEROCARPACEAE (angiosperm)
Origin:Asia and Oceania
Local and common name(s)
Phdiek, Mai Bak, Mersawa, Krabak, Pengiran, Kaunghmu, Palosapis, Pik, Ven-ven, Bella Rosa,
Scientific name(s)
Anisoptera spp.,
Typical use
Glued laminated, Veneer for interior of plywood, Boxes and crates, Interior joinery, Moulding, Turned goods, Flooring, Veneer for back or face of plywood, Formwork, Current furniture or furniture components, Interior panelling, Sliced veneer,
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 color:Orange Yellow
Physical description
Crushing strength:46 (+/- 8) MPa
Specific Gravity (at 12% MC):0,63 (+/- 0,06)
Stability:Moderately stable to stable
Static bending strength:83 (+/- 16) MPa
Durability
Dry wood borers:Class S - Susceptible - sapwood not or slightly demarcated
Fungi:Class 4 - Poorly durable
Termites:Class M - Moderately duarable
Treatability:Class 3-4 - Poorly or not 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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Mersawa Mersawa