high temperature Mullite Insulating brick
Features
It features high compression strength ,good thermal shock resistance and good heat insulating ability,widely used in all kind of industrial furnace kiln.The brick can contact fire directly.
|
Item |
Parameter |
|
Mi-1300 |
Mi-1400 |
Mi-1500 |
|
0.6 |
0.8 |
1.0 |
0.6 |
0.8 |
1.0 |
0.6 |
0.8 |
1.0 |
|
Al2O3 |
48 |
48 |
48 |
60 |
60 |
60 |
68 |
68 |
68 |
|
Fe2o3 |
＜1.0 |
＜1.0 |
＜1.0 |
＜1.0 |
＜1.0 |
＜1.0 |
＜0.8 |
＜0.8 |
＜0.8 |
|
Cold crushing strength Mpa |
20（1.96） |
40（3.92） |
60（5.88） |
20（1.96） |
40（3.92） |
60（5.88） |
20（1.96） |
40（3.92） |
60（5.88） |
|
Kgf/cm² RUL℃ |
1200 |
1250 |
1300 |
1300 |
1350 |
1400 |
1350 |
1400 |
1450 |
Refractori-ness ℃ |
1750（31） |
1750（31） |
1750（31） |
1770（32） |
1770（32） |
1770（32） |
1790（33） |
1790（33） |
1790（33） |
|
Reheating Linear Change Rate |
（1300℃）＜0.5 |
(1400℃)＜1.0 |
(1500℃)＜1.0 |
|
Thermal conductivi-ty (w/mk) |
0.2（0.23） |
|
|
0.22(0.26) |
|
|
0.23(0.27) |
|
|
|
Refractori-ness |
The highest temperature1300℃ |
The highest temperature1400℃ |
The highest temperature1500℃ |
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Our Company
Henan Guangda Refractories Co., Ltd is a high-tech enterprise which is dedicated to the refractory materials research and development, production, trade and engineering. Our company owns a professional technical research and development team that has been engaged in the refractory materials for decade years, owns advanced production equipments and testing equipment with the excellent marketing team. Our company has a sound management system for the market development and after-sale service. We will, as always, insist on the principle of quality first, customer first, putting quality and customers first, wholeheartedly provide the best quality......
