| Physical & Mechanical Properties |
|
UNIT |
UNIT |
|
VALUE |
VALUE |
|
| Property |
Metric |
Imperial |
Method |
Metric |
Imperial |
|
| Flexural properties @73 degrees F |
|
| Modulus of Rupture |
Mpa |
psi |
ASTM D-6109-03 |
40 |
5600 |
|
| Modulus of Elasticity |
Mpa |
psi |
ASTM D-6109-03 |
3800 |
551000 |
|
| Load at Rupture |
N/mm |
lbf |
ASTM D-6109-03 |
8848 |
1984 |
|
| Hardness (11.28-mm diameter ball) |
kN |
lb |
ASTM D-143-94 |
1 |
225 |
|
| Density |
kg/m^3 |
ln/cu.ft |
ASTM D-792 |
1396 |
85.6 |
|
| Water Absorption |
% |
% |
ASTM D-570 |
0.2 |
0.2 |
|
| Wind Uplift |
|
ASTM D-1761-88 |
|
| Maximum load |
N/m |
lbf |
|
29 |
420 |
|
| Corresponding uniform load |
kg/m^2 |
psf |
|
144 |
700 |
|
| Flame-spread index |
|
ASTM E-84-04 |
35.2 |
35.2 |
|
|
|
CAN/ULC-S102.2 |
60 |
60 |
|
| Stair trend with riser board |
|
AC-174 |
|
| Deflection at 300lbs |
cm |
inch |
|
0.03 |
0.071 |
|
| Deflection at 399lbs |
cm |
inch |
|
0.032 |
0.08 |
|
| Stair tread without riser board |
|
| Deflection at 300lbs |
cm |
inch |
|
0.07 |
0.177 |
|
| Deflection at 399lbs |
cm |
inch |
|
0.085 |
0.215 |
|
| Direct screw withdrawal force |
N |
lb |
ASTM D-1761-88 |
3334 |
750 |
|
| Head pull through withdrawal |
N |
lb |
ASTM D-1761-88 |
2208 |
497 |
|
| Slip resistance |
|
ASTM F-1679-04 |
|
| Parallel to grain |
Dry/Wet |
|
0.67/0.81 |
0.67/0.81 |
|
| Perpendicular to grain |
Dry/Wet |
|
0.66/0.90 |
0.66/0.90 |
|
| ADA slip resistance recommendation |
Static/Ramp |
|
0.60/0.80 |
0.60/0.80 |
|
| Coefficient of thermal expansion/contraction |
cm/cm/ºC |
in/in/ºF |
ASTM D-639-03 |
2.79x10^-5 |
1.48x10^-5 |
|
| Natural decay resistance |
|
ASTM D-2017-81 |
|
| Brown rot fungus (G. trabeum) |
% |
% |
|
2.21 |
2.21 |
No decay |
|
| White rot fungus (T. versicolor) |
% |
% |
|
0.43 |
0.43 |
No decay |
|
| Termite resistance |
% |
% |
ASTM D-3345-74 |
0 |
0 |
|
|
| Durability |
Load at Rupture |
MOR |
MOE |
|
Method |
Metric |
Imperial |
Metric |
Imperial |
Metric |
Imperial |
| Flexural properties |
ASTM D-6109-03 |
N/mm |
lbf |
Mpa |
psi |
Mpa |
psi |
| Baseline @ 73 degrees F |
|
8848 |
1984 |
40 |
5600 |
3800 |
551000 |
| Cold weather effect at -20 degrees F |
|
13107 |
2939 |
59.2 |
8290 |
4977 |
711000 |
| Hot weather effect @ 125 degrees F |
|
6155 |
1380 |
28 |
3890 |
2583 |
369000 |
| Moisture effect @ 95% RH and 73 degrees F |
|
8523 |
1911 |
38.3 |
5390 |
3570 |
510000 |
| Freeze-thaw effect @ -20 degrees F |
|
| to 73 degrees F / 24 hrs |
|
8687 |
1948 |
39.1 |
5500 |
3577 |
511000 |
|