Silica Brick for Hot-Blast Stoves S-97
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 15 m.t
- Supply Capability:
- 30000 m.t/month
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General Information
CMAX silica brick is a kind of acid refractory product which is mainly made of tridymite and cristobalite, and a small amount of quartz and vitreous. CMAX Silica bricks are made from high quality quartz tail sand, lime and mineralizing agent through the process of crashing, screening, mixing, pressing, drying and sintering.
Application
CMAX Silica bricks are commonly applied in
Coke oven
Hot blast stoves
Glass furnace
Features
High refractoriness under load
High mechanical strength
Excellent thermal shock resistance
Corrosion resistance.
Superior resistance to acids (including oxidizing)
Resistance to chlorine
Resistance to thermal shock and pressure changes
Low thermal and chemical expansion
Technical Data
ITEM | For Hot-Blast Stoves | For Glass Furnace | ||||||
S-94 | S-95 | S-95B | G-94 | G-95A | G-95B | G-96A | G-96B | |
SiO2, % | ≥ 94 | ≥ 95 | ≥ 95 | ≥ 94 | ≥ 95 | ≥ 95 | ≥ 96 | ≥ 96 |
Fe2O3, % | ≤ 1.5 | ≤ 0.5 | ≤ 1 | ≤ 1.5 | ≤ 1.2 | ≤ 1.2 | ≤ 0.8 | ≤ 1 |
Residual Quartz, % | ≤ 1 | ≤ 1 | ≤ 1 | ≤ 1 | ||||
Apparent Porosity | ≤ 23 | ≤ 23(24) | ≤ 21(23) | ≤ 24 | ≤ 22(24) | ≤ 22(24) | ≤ 22(24) | ≤ 22(24) |
True Density, g/cm 3 | ≤ 2.35 | ≤ 2.34 | ≤ 2.33 | ≤ 2.35 | ≤ 2.35 | ≤ 2.34 | ≤ 2.34 | |
Cold Crushing Strength, Mpa | ≥ 29.4 | ≥ 30(27) | ≥ 30(20) | ≥ 30 | ≥ 30(35) | ≥ 30(35) | ≥ 30(35) | ≥ 30(35) |
Refractoriness Under Load, º C | ≥ 1650 | ≥ 1600 | ≥ 1630 | ≥ 1660 | ≥ 1650 | ≥ 1680 | ≥ 1670 | |
Permanent Linear Change, % | 1500º CX4h, ± 0.2 | 1450º CX2h, ± 0.5 | ||||||
- Q:What is the main material of silica brickIt's common, the kind we see so often!
- Higher high temperature strength. The softening start temperature is 1620~1670 degrees. Long term use at high temperature without deformation. The thermal shock resistance is low (the heat exchange in water is 1~4 times). The natural silica is used as the raw material, and a proper amount of mineralizer is used to promote the transformation of quartz into phosphorus and quartz. Slowly sintered at 1350~1430 DEG C in the reducing atmosphere. When heating up to 1450 degrees, the total volume of 1.5~2.2% expands, and the residual expansion can close the kerf and ensure the airtight and structural strength of the masonry.
- Q:Semisilica brick, clay brick, high alumina brick and what is the difference?
- This is a kind of refractory material is divided into three types: semisilica brick (A12O315 ~ 30%), clay brick (A12O330 ~ 48%), high aluminum brick (A12O3>48%).
- Q:Which material is good for furnace refractory?
- Kiln types of refractories is very extensive, selection of refractory materials according to the type of furnace furnace temperature and use of selected refractory material, refractory material is divided into custom products of refractory bricks and unshaped refractory castable series products. According to chemistry, it is divided into acidic, neutral and alkaline materials.
- Q:What role does silica play in refractories?
- The natural mineral of silica is called quartz. In refractories, silica and siliceous refractory materials contain more silica. Silica is acidic at high temperature, and siliceous refractory can resist acid slag corrosion
- 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:Glass kiln brick for physical and chemical indicators?
- Glass kiln with high quality silica brick products according to the standard JC/T615-1996, the single brick is divided into 3 grades: XBG-96, ZBG-96, DBG-96.
- Q:The difference between clay refractory bricks and refractory brick in the application.
- Brick bearing soft temperature and close to the melting point, high temperature strength, can be in high temperature (above 1400 degrees) under the condition of long-term use, but the anti alkali erosion ability, thermal shock stability is the worst, a scrap. The brick is generally used in the coke oven, glass kiln. Other industries basically do not use.
- Q:The United States of our brick anti-dumping duties?
- At present of our brick anti-dumping rate is 73.10%
- Q:Semisilica brick interpretation
- Good thermal shock resistance. In use, more high viscosity glass phase can be formed, and the masonry brick joint and the working surface are dense and the masonry is complete, which is beneficial to improve the impermeability of the masonry and reduce the erosion effect of the slag on the masonry.
- Q:Can not use it two brick
- Acidic silica brick refractory material, has good ability in acid slag erosion
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Silica Brick for Hot-Blast Stoves S-97
- Ref Price:
-
- Loading Port:
- Tianjin
- 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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