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Brand Name: QG-0.8
Refractoriness (Degree): 1770< Refractoriness< 2000
Al2O3 Content (%): 0
Material: Silica Insulation Brick
Shape: Brick

Specifications

Feature

It is mainly made of top class silica, via shaping and burning under the high temperature, possesses high temperature resistant, high strength and low impurities, etc.
 

 Advantage:
1) Good thermal insulaton effects 
2) Good acid erosion resistance.
3) High softening point with temperature. 
4) No shrink in burn repeatedly.
Stable Capability, High Quality, Excellent Service, Competitive price is the most important advantage of our products.

 Application:

the main applications are the low temperature parts such as blast furnaces and hot blast furnaces, waste incinerators and glass melting furnaces.


 Physical and chemical index:

 

Item QG-0.8 QG-1.0 QG-1.1 QG-1.15 QG-1.2
SiO2 % 88 91 91 91 91
Bulk Density g/cm3 0.85 1.00 1.10 1.15 1.20
Cold Crushing Strength Mpa 1.0 2.0 3.0 5.0 5.0
0.2Mpa Refractoriness under Load T0.6 1400 1420 1460 1500 1520
Permanent Linear Change on Reheating(%)1450X2h 0+0.5 0+0.5 0+0.5 0+0.5 0+0.5
201000 Thermal Expansich10-6/ 1.3 1.3 1.3 1.3 1.3
Thermal Conductivity (W/MK) 350 0.55 0.55 0.60 0.65 0.70

Silica Insulation Brick The main applications are the low temperature parts such as blast furnaces and hot blast furnace