| | | |
| Water Absorption |
3.0% - 7.0% |
2% - 5% |
7.0% - 20.0% |
≤ 20% |
C373 |
| Frost Resistance |
As reported |
Resistant |
As reported |
Not resistant |
C1026 |
| Scratch Resistance |
MOHS 1-10 |
7 |
N/A |
N/A |
MOHS Scale |
| Breaking Strength |
Average ≥ 250 lbf. |
≥ 350 lbf. |
Average ≥ 125 lbf. |
≥ 155 lbf. |
C648 |
| Facial Dimension |
+/- 3.0% from nominal |
Within standard |
+/- 2.0% from nominal |
Within standard |
C499 |
| Nominal Thickness |
≤ 0.04 in. (1.02 mm max) |
Within standard |
≤ 0.031 in. (0.79 mm max) |
Within standard |
C499 |
| Wedging (squareness) |
+/- 0.50% or +/-2.0mm* |
Within standard |
+/- 0.40% or +/- 1.3 mm* |
Within standard |
C502 |
| Edge Warpage (flatness) |
+/- 0.75% or +/- 2.0 mm* |
Within standard |
0.30% ≤ Any Edge ≤ 0.40% or -1.0 mm - 1.3 mm* |
Within standard |
C485 |
| Abrasion resistance |
Class 0 - Class V |
Class IV |
Class 0 - Class V |
Class 0 |
C1027 |
| Dry Coefficient of Friction |
As reported |
0.50 ≤ COF < 0.60 |
N/A |
N/A |
C1028 |
| Wet Coefficient of Friction |
As reported |
0.50 ≤ COF < 0.60 |
N/A |
N/A |
C1028 |
| Chemical resistance |
Class A - Class E |
A |
Class A - Class E |
B |
C650 |
| Stain resistance |
Class A - Class E |
A |
Class A - Class E |
A |
C1378 |
|
Notes:
* Whichever is less.
|