Silica Fire Brick - Acid Resistant Refractory Glass Furnace Silica Brick
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- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 15 m.t.
- Supply Capability:
- 30000 m.t./month
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General Information
The silica brick can be widely used in coke oven, hot blast furnace, glass furnace and carbon furnace. In glass industry, it is mainly employed to build the doghouse crown, suspended wall of channel, top crown and inlet sealing. In metallurgy industry, it is adopted as the nozzle brick.
Features
1.High purity
2.Long service life
3.Accurate size tolerance
4.Pure color
5. Luster appearance
6..Good thermal conductivity
7.Good creep resistance
Applications
1. Doghouse crown, suspended wall of channel, top crown and inlet sealing of glass furnace
2. High temperature part of coke oven.
Physical and chemical index
Item | BG-94 | BG-95 | BG-96A | BG-96B | |
Chemical composition | SiO2 | ≥94 | ≥95 | ≥96 | ≥96 |
Fe2O3 | ≤1.5 | ≤1.5 | ≤0.8 | ≤0.7 | |
Al2O3+TiO2+R2O | ≤1.0 | ≤0.5 | ≤0.7 | ||
Refractoriness °C | 1710 | 1710 | 1710 | 1710 | |
Apparent Porosity% | ≤22 | ≤21 | ≤21 | ≤21 | |
Bulk Density g/cm3 | ≥1.8 | ≥1.8 | ≥1.8 | ≥1.8 | |
True Density,g/cm3 | ≤2.38 | ≤2.38 | ≤2.34 | ≤2.34 | |
Cold Crushing Strength Mpa | ≥24.5 | ≥29.4 | ≥35 | ≥35 | |
0.2Mpa Refractoriness Under Load T0.6 °C | ≥1630 | ≥1650 | ≥1680 | ≥1680 | |
Permanent Linear Change On Reheating (%)1500°CX2h | 0~+0.3 | 0~+0.3 | 0~+0.3 | 0~+0.3 | |
20-1000°C Thermal Expansich10-6/°C | 1.25 | 1.25 | 1.25 | 1.25 | |
Thermal Conductivity (W/MK) 1000°C | 1.74 | 1.74 | 1.44 | 1.44 | |
- Q:What is the main material of silica brickIt's common, the kind we see so often!
- More than 94% silica content. True density 2.35g/cm3. With acid resistance, slag erosion performance.
- Q:Why in the production of the brick to detect the volume density
- Fast density test, please consult an instrument.
- Q:Which material is good for furnace refractory?
- Acid refractory with silicon oxide as the main component, are commonly used in brick and clay brick. Silica is silica containing more than 94% silica products, raw materials used in silica, silica and other waste, the acid resistance of slag erosion ability, high load softening temperature, volume shrinkage after repeated burning, or even a slight expansion; but it is vulnerable to the erosion of basic slag, thermal shock resistance is poor. The brick is mainly used for thermal equipment of glass furnace, coke oven, acid furnace etc.. Clay brick with refractory clay as the main raw material, containing 30% to 46% of alumina, weak acid refractory material, heat shock resistance, resistance to acid slag, widely used.
- Q:Physical solid waste disposal
- Too much addition will reduce the refractory and mechanical strength, increase porosity, so the amount of waste brick should not be too much.
- Q:The chemical composition of silica brick and its physicochemical index?
- Brick refers to the refractory products in more than 93% of the content of SiO2
- Q:The specific content is what gb/t2608-2012 brick
- Quality assessment procedures, packaging, marking, transport, storage, and quality certificates. Suitable for siliceous refractory bricks.
- Q:What are the main constituents of refractory bricks?
- (a) containing refractory brick brick, refers to more than SiO293%, is the main varieties of acid resistant brick. It is mainly used for coke oven building, also used in furnaces all kinds of glass, ceramic and carbon calciner, refractory brick arches and other load-bearing parts, is also used in high temperature bearing part of hot blast stove, but should not be used in thermal equipment below 600 DEG C and the temperature fluctuation in the.
- Q:What is the effect of the content of silicon nitride in silicon nitride bonded silicon carbide brick on the use of electrobath? Thank you
- The main damage of silicon carbide side wall brick is stress damage, not chemical erosion. Chemical damage is formed prior to the formation of the groove, and the damage to the chemical erosion is little after the formation of the groove.
- Q:The formula in the refractory brick, and firing curve, who knows?
- Add 1.8-2.2% of the total weight of the main raw material, and then add lime milk, rolling for 10-15 minutes, and finally add pulp, rolling for 10-15 minutes, out of the mill, forming billet.
- Q:What is the silica refractory products?
- High silicon content in high temperature expansion sintering temperature between 1390-1410 in furnace arch
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Silica Fire Brick - Acid Resistant Refractory Glass Furnace Silica Brick
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 15 m.t.
- Supply Capability:
- 30000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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