[목재정보] 아스펜 (Populus tremuloides)

American aspen (Populus tremuloides)

Other names: none

수종명 : 미국 아스펜

분포 Distribution

Throughout USA, but commercially in the North Eastern USA.

특성 General description

변재는 백색이며 심재는 옅은 갈색과 섞여 있다. 변재와 심재의 차이는 크지 않으며, 목재는 균일한 질감과 똑바른 나무결을 가지고 있다.
Sapwood is white, blending into the light brown heartwood. The contrast between sap and heartwood is small. The wood has a fine uniform texture and is straight grained.

작업성능 Working properties

아스펜은 못에 의해 갈라지지 않으면, 거의 모든 기계가공을 할 경우에도 작업성이 우수하다. 페인트나 스테인에 의한 도장성도 매우 좋으며, 표면이 불규칙할 경우에는 표면작업이 필요하다. 수축팽창이 잘 되지 않으며, 치수안정성도 뛰어나다. 재질자제로는 유럽아스펜이나 커튼우드와 매우 유사하다. 
Aspen does not split when nailed, it machines easily with a slightly fuzzy surface, and turns, bores, and sands well. It takes paint and stain well to produce a good finish although care is required where the surface is fuzzy. It has low to moderate shrinkage and good dimensional stability. Aspen is a true poplar, and therefore has similar characteristics and properties to cottonwood and European poplar.

Machining Nailing Screwing Gluing Finishing

Physical properties

The wood is light and soft, with low bending strength and stiffness, and medium shock resistance. It has a very low bending classification.

Specific Gravity: 0.38 (12% M.C.)
Average Weight: 417 kg/m³ (12% M.C.)
Average Volumetric Shrinkage: 9.2% (Green to 6% M.C.)
Modulus of Elasticity: 8136 MPa
Hardness: 1557 N

Durability

Non-resistant to heartwood decay, and extremely resistant to preservative treatment.

Availability

USA: Limited, and rarely available in thick stock.
Export: Limited due to low demand.

Main uses

Furniture parts (drawer sides), doors, mouldings, picture frames, interior joinery, toys, kitchen utensils. Matchsticks (USA). Important specialised uses include sauna laths because of its low conductivity of heat, and chopsticks