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Sillimanite Brick

Sillimanite Brick

  • Item:Sillimanite Brick
  • Apparent Prosity:≤18%
  • Bulk Density:≥2.4 g/cm3
  • Cold Crushing Strength:≥60 Mpa
  • Reversible Thermal Expansion 1000℃:0.55
  • 0.2Mpa Refractoriness Under Load T0.6:≥1550℃

Feature

Description:
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

Technical Data

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) ≥60 ≥60 ≥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

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