Wenge

Wenge Wood Flooring
Sample above is .75" by 3" square-edge solid strip. Top portion is finished with water-base urethane; bottom with oil-modified polyurethane.
Appearance

Color: Heartwood is yellow-brown when freshly cut, turning dark brown to almost black with alternate layers of light and dark. Sapwood is yellowish-white and clearly, demarcated from heartwood. 
Grain: Straight when quartersawn; coarse texture. 
Variations Within Species and Grades: Moderate variations in color.

Properties

Hardness/Janka: 1630; 26% harder than Northern red oak. 
Dimensional Stability: Excellent (change coefficient .00201; 46% more stable than red oak). However, actual installations have demonstrated significant movement in use. 
Durability: Average.

Workability

Sawing/Machining: Difficult due to rapid dulling of tools; carbide tooling recommended. 
Sanding: Sands satisfactorily 
Nailing: Good holding ability. 
Finishing: Some solvent-based stains do not dry well. 
Comments: Dermatological and respiratory allergic potential.