ส่วนผสมของอิฐทนไฟบางชนิด
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|
Composition |
Apparent |
Main Phase in order of |
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|
|
Type |
Al2O3 |
SiO2 |
MgO |
Cr2O3 |
Fe2O3 |
CaO |
TiO2 |
Total |
Porositity |
Amount
Normally Pressent |
|
|
chrome
ore |
30.0 |
5.3 |
19.0 |
30.5 |
13.5 |
0.7 |
- |
99.0 |
22% |
(MgFe)(AICr)2O4;R2O3 solid
solution;MgFe204 |
|
|
Chrome
orepericlase |
19.0 |
6.0 |
40.0 |
22.0 |
11.0 |
1.2 |
- |
99.2 |
25% |
(MgFe)(ALCr)2O4;MgO;Mgfe2O4;MgsiO4 |
|
|
Periclse chrome ore |
9.0 |
5.0 |
67.0 |
8..2 |
2.0 |
2.2 |
- |
99.4 |
21% |
Mgo;(MgFe)(AlCr)2O4;MgFe2O4; MgSiO4 |
|
|
Periclase |
1.0 |
3.0 |
90.0 |
0.3 |
3.0 |
2.5 |
- |
99.8 |
22% |
MgO;MgFe2O4;MgCaSiO4;MgSiO4 |
|
|
Forsterite |
1.0 |
33.3 |
54.5 |
0.7 |
9.1 |
1.0 |
- |
99.6 |
23% |
MgSiO4;MgFe2O4;MgO;MgAl2O4 |
|
|
Silica |
0.2 |
97.3 |
0.6 |
- |
- |
2.2 |
- |
99.3 |
25% |
Tridymite;cristobalite |
|
|
Fire
clay |
25-45 |
70-50 |
0-1 |
- |
0-1 |
0-1 |
1-2 |
- |
10-25 |
Mullite;siliceous phase;quartz |
|
|
High-alumina
fire clay |
90-50 |
10-45 |
0-1 |
- |
0-1 |
0-1 |
1-4 |
- |
18-25 |
Mullite;siliceous phase |