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By certification 
Silimanite brick is a kind of refractoriness which made by silimaniteand other minerals. And silimanite can be transformed to be mullite under more 1500℃ high temprature.
► Applications
Silimanite brick are mainly used in high temprature furnaces, such as glass melting furnace,etc
► The main applications are:
1,Rider arches
2,Forehearth superstracture
3,Bushing for rochwool and fiber glass
► Specifications
1,Dense structure
2,Good thermal shock resistance
► Advantages
1,Corrosion-resistant;
2,High quality
Item |
GXS-50 |
GXS-60 |
GXS-62 |
|
Chemical composition |
Al2O3 |
≥50 |
≥60 |
≥62 |
SiO2 |
≤45 |
≤38 |
≤33 |
|
Fe2O3 |
≤1.2 |
≤1.0 |
≤1.0 |
|
Apparent Porosity％ |
≤18 |
≤18 |
≤17 |
|
Bulk Density g/cm3 |
≥2.4 |
≥2.5 |
≥2.55 |
|
Cold Crushing Strength Mpa |
≥45 |
≥50 |
≥60 |
|
0.2Mpa Refractoriness Under Load T0.6 ℃ |
≥1550 |
≥1600 |
≥1650 |
|
Permanent Linear Change On Reheating （%）1500℃X2h |
±0.1 |
±0.1 |
±0.1 |
|
Thermal Shock Resistances 100℃ water cycles |
≥20 |
≥20 |
≥20 |
|
Reversible Thermal Expansion 1000℃ |
0.55 |
0.6 |
0.6 |
|
Pyrometric Cone Equivalent S.C. SK |
35 |
36 |
38 |
|
Range of Application |
Rider Arches |
Superstructure forehearth |
Superstructure forehearth |
|
