| |
|
|
| |
| Performance index |
 |
Minicrystalstone |
Marble |
Moorstone |
| Diffuse reflectance |
% |
89 |
59 |
66 |
| Specific gravity |
g/cm3 |
2.7 |
2.7 |
2.7 |
| Buckling strength |
MPa |
50 |
16.7 |
14.7 |
| Compression strength |
MPa |
118～549 |
88～226 |
59～294 |
| Mohs rigidity |
|
6.5 |
3.5 |
5.5 |
| Softening point |
℃ |
691 |
|
|
| Coefficient of thermal expansion |
×10-7/℃ |
62 |
80～260 |
50～150 |
| Water absorption |
% |
0 |
0.30 |
0.35 |
Acid resistance
1% HiSO4 |
% |
0.08 |
10.3 |
1.0 |
Alkali resistance
1% NaOH |
% |
0.05 |
0.30 |
0.10 |
| Freezing resistance |
% |
0.028 |
0.23 |
0.25 |
|
| |
|
|
|
