Physical Properties
Source or Method |
Value |
|
Bending Strength
|
USDA Forest Service | 16,620 |
Modulus of elasticity
|
USDA Forest Service | 2,230 |
Maximum crushing strength
|
USDA Forest Service | 10,320 |
Janka side hardness (dry) |
USDA Forest Service | 2,160 |
Weight (green) |
USDA Forest Service | 77 lbs/cu.ft. |
Density (oven dry/green volume – air dry wt) |
USDA Forest Service | .75 – 60 lbs/cu.ft. |
Radial shrinkage
|
USDA Forest Service | 4.0% |
Tangential shrinkage
|
USDA Forest Service | 7.6% |
Volumetric shrinkage
|
USDA Forest Service | 10.0% |
Coefficient of friction (dry) |
ASTM F1679 | 0.96 |
Coefficient of friction (wet) |
ASTM F1679 | 0.61 |
Durability—Fungi |
USDA Forest Service | Very durable |
Durability—Dry Wood Borers |
USDA Forest Service | Very durable (risk limited to sapwood) |
Durability—Termites |
USDA Forest Service | Very durable |
Permeability |
USDA Forest Service |
Very difficult to chemically impregnate |
Sawing & Machining |
Sawtooth recommended Cutting tools Knife cutting angle |
Satellite tipped Tungsten carbide 15 Degrees |
Nailing / Screwing |
Pre-boring recommended |
|
Gluing |
Use glues with longer open time such as exterior or woodworkers white glue |
