Silica brick
Silica brick is made of quartz stone material, the content of SiO2 is above 93%, it has good resistance to acid slag. and good heat conductivity. And the refractoriness is 1690~1710°C,RUL is beyond 1620°C
Application
They are widely used for hot blast furnace, coke oven, and glass furnace. The products
can be made according to customers' requirement.
|
Item |
Silica brick |
Silica brick for hot stove |
|
GZ-95 |
GZ-94 |
GZ-93 |
Crown brick |
Checker brick |
|
SiO2% |
95 |
94 |
93 |
95 |
95 |
|
Refractoriness ℃ |
1710 |
1710 |
1690 |
|
|
|
RUL(Refractory under Load) |
1650 |
1640 1620 (Cementing quartzite) |
1620 |
|
|
|
Apparent porosity% |
22 |
23 |
25 |
22 |
23 |
|
Cold crushing strength Mpa |
29.4 |
24.5 |
19.6 |
35 |
30 |
|
TrueDensityg/cm3 |
2.37 |
2.38 |
2.39 |
2.35 |
|
High-temperature creep rate%(0.2Mpa 1550℃x50h) |
|
0.8 |
|
Thermal expansion percent |
|
1.26 |
Product Images
Our Service
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......
