Scientific name

Alnus rubra Bong

Other names

English: Red Alder, Alder, American Alder

Geographic origin

Canada and United States

Description

&;8226; Sapwood and Heartwood: from yellowish white to yellowish brown
&;8226; Fiber: Straight
&;8226; Grain: Thin

Capacity of being impregnated

Capable of being impregnated to medium capacity of being impregnated

Mechanization

&;8226; Sawing process: Easy and with no difficulties
&;8226; Drying process: Easy and Fast, with nearly no defects.
&;8226; Planing process: Easy
&;8226; Gluing process: Easy
&;8226; Nailing and screwing process: Easy
&;8226; Finish: Easy

Physical properties

&;8226; Apparent density at 12% humidity
0.45 kg/m3 light wood
&;8226; Dimensional stability
- Volumetric contraction coefficient 0.41% stable wood
- Relation between contractions 1.66% no tendency to deformity
&;8226; Hardness (Chaláis-Meudon) 1.8 Softwood

Mechanical properties

&;8226; Resistance to static flexion 680 kg/cm2
&;8226; Elasticity module 95,000 kg/cm2
&;8226; Resistance to compression 401 kg/cm2