PRODUCT NAME: Silica Brick
TYPE: Silica Brick
TIME：2017-11-27
VIEWS：802
PRODUCT DESCRIPTION：YONAI Silica Brick
YONAI Silica Brick is widely used in hot blast stove, tunnel kiln, coke oven, glass kiln, acidic furnace, non-ferrous metal smelting furnace etc.
The Advantage of YONAI Silica Brick:
High Purity
High Tridymite Ratio
High Refractoriness
Under Load
Good Thermal
Conductivity
Low True Density
Low Creep
Accurate in Size
Low Expansion Rate
Low Quartz Residue
Application Area of YONAI Silica Brick
1. Hot Blast Stoves
2. Glass melting furnace, ceramic kiln, sodium silicate furnace, soaking furnace etc.
3. Coking chamber of coke oven, combustion chamber walls, regenerator of steel open hearth and sediment chamber etc.
4. Load-bearing parts of high temperature hot air furnace and roof of acid open hearth furnace etc.
5. Other areas requiring consistent temperature environment and good thermal shock resistance.
YONAI Silica Brick
Item
Hot
Blast Furnace
Wall
& Dome
Checker
SiO2 %
≧95
≧95
Al2O3
%
≦1.0
≦1.0
Fe2O3 %
≦1.0
≦1.0
Apparent Porosity %
≦22
≦24
True Density g/cm3
≦2.33
≦2.33
Cold Crushing
Strength Mpa
≧40
≧35
Refractoriness Under
Load (0.2 Mpa ) ℃
≧1650
≧1650
Residual Quartz %
≦1.0
≦1.0
Creep Rate 0.2Mpa (1550℃*50h) %
≦0.8
≦0.8
Reheat Linear Change (1450℃*2h) %
≦0.2
≦0.2
Heat Expansion
Coefficient(1000 ℃) %
≦1.26
≦1.26
