Scientific name

Scientific name: Liriodendron tuliparifera L.

Other names

English: Tulip poplar; American tulip tree; Yellow poplar.

Geographic origin

North America

Description

&;8226; Sapwood: Whitish colour
&;8226; Heartwood: light green olive colour to greenish brown
&;8226; Fiber: Straight
&;8226; Grain: Thin

Capacity of being impregnated

&;8226; Sapwood: Capable of being impregnated
&;8226; Heartwood: 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: Creates many defects.
&;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
&;8226; Volumetric contraction coefficient 0.42 % stable wood
&;8226; Relation between contractions 1.78% tendency to deformity.
&;8226; Hardness (Chaláis-Meudon) 1.7 Softwood

Mechanical properties

&;8226; Resistance to static flexion 700 kg/cm2
&;8226; Elasticity module 109,000 kg/cm2
&;8226; Resistance to compression 382 kg/cm2