|
与相关材料性能比较 Property Comparison With Other Relevant
Materials
|
性能/材料
Property/Material |
Unit
|
实测数据
|
文献数据
|
微晶石
Crystal rock * |
微晶石（白色）
Crystal rock(white) |
大理石marble |
花岗岩Granite |
| 比重Specific gravity |
g/cm3
|
2.7
|
2.7
|
2.7
|
.27
|
| 抗压Compression strength |
Mpa
|
390
|
|
|
|
| 抗折Rupture strength |
kg/cm2
|
475
|
510
|
170
|
150
|
| 维氏硬度Vickers diamond hardness |
kg/cm2
|
|
530
|
150
|
70-720
|
| 莫氏硬度Mohs'Hardness |
|
6.5
|
6.5
|
3-5
|
-5.5
|
| 吸水率Water absorption |
%
|
0
|
0
|
0.30
|
0.35
|
| 扩散反射率Diffusion reflectivity |
%
|
|
80
|
42
|
44
|
| 耐酸性Acid-resistance |
1%H2SO4,%
|
0.08
|
0.08
|
10.2
|
1.0
|
| 耐碱性Alkali-resistance |
1%N2OH,%
|
0.05
|
0.05
|
0.30
|
0.1
|
热膨胀系数Thermal
Expansion coefficient |
X10-7/℃
|
25-100℃ 52
25-400℃ 60
|
|
(30-380℃)
|
|
|
62
|
80-260
|
50-150
|
| 耐海水性Sea-water resistance |
mg/cm2
|
|
0.08
|
0.19
|
0.17
|
| 抗冻Frost resistance |
%
|
|
0.028
|
0.23
|
0.25
|
|