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Help CenterHigh Grade Silica Refractory Brick For Glass Furnace
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Description
Adopts high quality silica and advanced technology, our silicon bricks enjoy the advantages of high purity, long service life, good thermal conductivity, high refractoriness under load, and good creep resistance. In addition, it has accurate size tolerance, pure color and luster appearance. Because of the bad thermal shock resistance of silica brick, it is mainly used in the continuous operating furnace. Supporting the use of other high quality refractories, our silica brick can extent the service life of float glass furnace to 8 years and double the service life of bottle glass furnace. It is widely used in coke oven, hot blast furnace, glass furnace and carbon furnace.
Physical properties and chemical composition
General silica brick:Siliceous refractory products used for various large coke oven, glass kiln stove, hot air stove, etc. | |||
Item |
GZ-96 |
GZ-95 |
GZ-94 |
SiO2 % ≥ |
96 |
95 |
94 |
Fe2O3 % ≤ |
1.0 |
1.2 |
1.4 |
Refractoriness °C≥ |
1710 |
1710 |
1690 |
Apparent porosity % ≤ |
22 |
22 |
24 |
Cold crushing strength Mpa ≥ |
29.4 |
24.5 |
19.6 |
Refractoriness under load, 0.2MPa, °C≥ |
1660 |
1650 |
1640 |
True density g/cm3 ≤ |
2.34 |
2.35 |
2.35 |
Silica brick for Hot-blast stove | ||
Item |
Dome wall brick |
Checker |
SiO2 % ≥ |
95 |
95 |
Cold crushing strength Mpa ≥ |
35 |
30 |
Apparent porosity % ≤ |
22 |
23 |
Creep rate(0.2MPa,1550°C,50h)% ≤ |
0.8 |
0.8 |
True density g/cm3 ≤ |
2.35 |
2.35 |
Thermal expansion(1000 °C)% ≤ |
1.26 |
1.26 |
Quality silica brick for Glass kiln | |||
Item |
XBG-96 |
ZBG-96 |
DBG-95 |
SiO2 % ≥ |
96 |
96 |
96 |
Fe2O3 % ≤ |
0.9 |
0.9 |
1.0 |
Apparent porosity % ≤ |
22 |
23 |
24 |
Permanent linear Change 1450 °C,2h % ≤ |
0.3 |
0.3 |
0.3 |
Refractoriness under load, 0.2MPa, °C≥ |
1680 |
1680 |
1670 |
True density g/cm3 ≤ |
2.34 |
2.34 |
2.35 |
Cold crushing strength Mpa ≥ |
35 |
30 |
30 |
Single weight kg |
≤15 |
>15-≤25 |
>25-≤40 |
Silica brick for coke oven | ||
Item |
Furnace bottom,Furnace wall |
Other |
SiO2 % ≥ |
94 |
94 |
Cold crushing strength Mpa ≥ |
30 |
25 |
Apparent porosity % ≤ |
22. |
24 |
Refractoriness under load, 0.2MPa, °C≥ |
1650(Cementation silica 1620) |
1650(Cementation silica 1620) |
Permanent linear Change 1450 °C,2h ≤ |
0-+0.2 |
0-+0.2 |
True density g/cm3 ≤ |
2.34 |
2.35 |
Thermal expansion(1000 °C)% ≤ |
1.28 |
1.30 |
High Grade Silica Refractory Brick For Glass Furnace
Silicon brick is mainly used for Coke oven, glass kiln, hot-blast stove, tunnel kiln,Acidic furnace non-ferrous metal smelting and some other thermotechnical equipment in good furnace building materials.
High Grade Silica Refractory Brick For Glass Furnace Packaging & Shipping
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