High Thermal Conductivity 1660C Alumina Silica Fire Brick
Brand Name:ANNEC
Certification:ISO, CE
Model Number:K
Minimum Order Quantity:200 pcs
Delivery Time:5-8 working days
Payment Terms:L/C, D/P
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Industrial Cluster Area of Xinmi City, Henan Province，China.
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Product Details
High Thermal Conductivity 1660C Alumina Silica Fire Brick
Introduction:
High Thermal Conductivity Silica Dense Refractory Brick Silica-based heat-insulating refractory bricks refer to heat-insulating refractory products made of silica as the main raw material and with an SiO2 content of not less than 91%. In addition to the thermal insulation properties of silicon refractory bricks, it maintains the characteristics of silicon bricks to a large extent. The starting temperature of load softening is high, and the volume expands slightly during the heating process, which enhances the integrity of the kiln. The manufacture of siliceous heat-insulating refractory bricks uses finely pulverized silica as the raw material, adding part of the waste silica bricks or waste siliceous heat-insulating refractory brick powder, mineralizers and burnout additives. Add water to the mixer according to a certain proportion to mix into a mud, which is formed by mechanical or manual molding. After the brick is dried, the residual moisture is less than 0.5% before it can be loaded into the kiln. In order to prevent the violent volume expansion due to the polycrystalline transformation of SiO2, causing cracks in the product, a slower temperature rise and fall speed are required during firing.
High Thermal Conductivity Silica Dense Refractory Brick :
1) Silicon oxide is above 94%.
2) Good acid erosion resistance.
3) High softening point
Package:
High Thermal Conductivity Silica Dense Refractory Brick are packed on wooden pallet and then polyethylene film is placed over it,finally the package is tied up with steel strips or as your request
High Thermal Conductivity Silica Dense Refractory Brick:
High Thermal Conductivity Silica Dense Refractory Brick Silica-based heat-insulating refractory bricks refer to heat-insulating refractory products made of silica as the main raw material and with an SiO2 content of not less than 91%. In addition to the thermal insulation properties of silicon refractory bricks, it maintains the characteristics of silicon bricks to a large extent. The starting temperature of load softening is high, and the volume expands slightly during the heating process, which enhances the integrity of the kiln. The manufacture of siliceous heat-insulating refractory bricks uses finely pulverized silica as the raw material, adding part of the waste silica bricks or waste siliceous heat-insulating refractory brick powder, mineralizers and burnout additives. Add water to the mixer according to a certain proportion to mix into a mud, which is formed by mechanical or manual molding. After the brick is dried, the residual moisture is less than 0.5% before it can be loaded into the kiln. In order to prevent the violent volume expansion due to the polycrystalline transformation of SiO2, causing cracks in the product, a slower temperature rise and fall speed are required during firing.
High Thermal Conductivity Silica Dense Refractory Brick :
1) Silicon oxide is above 94%.
2) Good acid erosion resistance.
3) High softening point
Package:
High Thermal Conductivity Silica Dense Refractory Brick are packed on wooden pallet and then polyethylene film is placed over it,finally the package is tied up with steel strips or as your request
High Thermal Conductivity Silica Dense Refractory Brick:
| Item Index | Silica Brick for Coke Oven | Silica Brick for hot-blast Stove |
| Brand | NCSB-94 | NCSB-95 |
| SiO2 % ≥ | 94.5 | 95.0 |
| Al2O3 % ≤ | 1.5 | 1.0 |
| Fe2O3 % ≤ | 1.5 | 1.3 |
| CaO % ≤ | 2.5 | -- |
| Na2O+K2O% ≤ | -- | -- |
| True Density≤ g/cm3 | 2.33 | 2.32 |
| Apparent.Porosity.% ≤ | 23 | 22 |
| Cold.Crushing.Strength(Mpa)≥ | 40 | 45 |
| Permanent Linear Change%≤ | 0~-0.2 | 0~-0.2 |
| Refractoriness Under Load 0.2Mpa ºC ≥ | 1650 | 1650 |
| Thermal Expansion Rate at 1000C % ≤ | 1.28 | 1.25 |
Competitive Advantage:
1. Best price, make the products competitive in your market
2. Abundant Experience.
3. Strict Quality Control. Meet clients' quality requirement.
4. Large stocks. Guarantee prompt delivery.
5. Professional Packing. Avoid damage and secure the goods in transportation
Zhengzhou Annec CO., Ltd. was founded in 2003, and has been a NASDAQ listed corporation since 2011 with ticker identification ANNC. Annec had become the industrial leader within China in the areas of refractory production, Engineering for hot blast stove of blast furnace, and capability for EPC project. Annec has its own Provincial Enterprise Technology Center and Top Combustion Hot Blast Stove Research Centre, Annec (Beijing) Engineering & Technology Co., Ltd and four Manufacturers for Refractories. The annual output of different type of refractories can reach 150 thousand tons, and undertaken capability of more than 10 turnkey projects for hot blast stove.
High Thermal Conductivity 1660C Alumina Silica Fire Brick
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