Hot Blast Furnace Applied Refractory Silica Brick

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Product Description:


refractory silica brick
one of the largesr manufacture
factory price
fast delivery

Hot blast furnace&glass furnace applied refractory silica brick

Introduction of refractory silica brick  

Refractory silica brick is dense shaped refractory material and the main materials is SiO2.

Features of refractory silica brick

1) Silicon oxide is above 95%.

2) Good acid glass furnace erosion resistance.

3) High softening point with temperature.

4) No shrink in burn repeatedly.

5) Temperature of refractoriness under load is above 1650º C


Stable Capability, High Quality, Excellent Service, Competitive price is the most important advantage of our products.

Our capacity:

We have 2 tunnel kiln with 168meters length and 25 sets of compressing  machine with 300-500tons capacity. with the annual capacity more than 50,000tons .

Application of refractory silica brick

They are widely used for hot blast furnace,coke oven,glass furnace.The products can be made according with the customers' requirement.

Physical and chemican index:


Bottom, WallOthers
SiO2,%                                                                             ≥95
0.2Mpa Refractoriness Under Load , °C                    ≥

crystal silica :1650

cementation silica (ShanXi province): 1620

Permanent Linear Change after heating(%),




Apparent Porosity(A.P),%                                              ≤22(23)24
Cold Crushing Strength(C.C.S), Mpa                         ≥3025
Real Density g/m3                                                         ≤2.342.35
Rate Of Thermal Expansion (R.T.E)(1000°C),%      ≤1.281.30
Residual Quartz (%)                                                      ≤1

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