Fire clay bricks have good thermal shock resistance and its fluctuation range is big that is generally more than 10 times(1100 ℃ in cold water). Please find oreworld trade in internet .Fire clay brick belongs to weak acid refractory products, which acid performance is enhancing along with the increase of SiO2 content. It has definite erosion resistance to acid slag but weak resistance to alkaline slag. Therefore fire clay brick is suitable for the lining of the furnace with acid slag we are waiting for you
|
Index |
Item | ||||||||
|
N-1 |
N-2a |
N-2b |
N-3a |
N-3b |
N-4 |
N-5 |
N-6 | ||
|
Refractoriness, CN |
176 |
174 |
174 |
172 |
172 |
170 |
166 |
158 | |
|
Refractoriness under load ,℃ 2kg/cm2≥ |
1400 |
1350 |
|
1320 |
|
1300 |
|
| |
|
Reheating linear change% |
1400℃,2h |
＋0.1 |
＋0.1 |
＋0.2 |
|
|
|
|
|
|
1350℃,2h |
|
|
＋0.2 |
＋0.2 |
＋0.2 |
＋0.2 |
| ||
|
Apparent porosity,%≤ |
22 |
24 |
26 |
24 |
26 |
24 |
26 |
28 | |
|
Compress strength,N/mm2≥ |
30 |
25 |
20 |
20 |
15 |
20 |
15 |
15 | |
|
Thermal shock |
N-2b, N-3b must be tested and list the actual measuring data in the quality Certification. | ||||||||