Zhengzhou Annec Industrial Co., Ltd.
| Payment Terms | L/C, D/P |
| Supply Ability | 2000 tons/month |
| Delivery Time | 5-8 working days |
| Packaging Details | conform to exporting packing |
| Color | Yellow |
| Raw material | Silica sand |
| Application | Arch area |
| SiO2 | ≥95% |
| Fe2O3 | ≤1.0% |
| Al2O3 | ≤1.0% |
| Apparent porosity | ≤22% |
| Bulk density | ≥1.8g/cm3 |
| Brand Name | ANNEC |
| Model Number | ARG-95 |
| Certification | ISO, CE |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C, D/P | Supply Ability | 2000 tons/month |
| Delivery Time | 5-8 working days | Packaging Details | conform to exporting packing |
| Color | Yellow | Raw material | Silica sand |
| Application | Arch area | SiO2 | ≥95% |
| Fe2O3 | ≤1.0% | Al2O3 | ≤1.0% |
| Apparent porosity | ≤22% | Bulk density | ≥1.8g/cm3 |
| Brand Name | ANNEC | Model Number | ARG-95 |
| Certification | ISO, CE | Place of Origin | China |
| High Light | Silica High Temperature Fire Brick ，1650C High Temperature Fire Brick ，1650C Glass Kiln Silica Brick | ||
Acid Resistant Glass Kiln Silica High Temperature Fire Brick
Introduction:
Good Acid Erosion Resistance Silica Dense Brick is made of quartz stone material, the content of SiO2 is above 93%. It has good resistance to acid slag and good heat conductivity. And the refractoriness is 1690~1710°C, RUL is beyond 1620°C.
SiO2 has different types of crystals in different temperatures, and the transform between the crystals will cause the change of the bulk. So there is a close contact between the changes of SiO2 crystals and the produce, performance and usage of silica bricks. During the heating, there will be changes of the bulk, and cristobalite changes most, then quartz, phosphorus quartz is the slowest of all and it also has good heat-conductivity.Coke oven should use the silica brick with small true density. And the phosphorus quartz is better than others
| 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 |
1. Silicon oxide is above 95%.
2. Good acid erosion resistance.
3. High softening point with temperature.
4. No shrink in burn repeatedly.
5. Temperature of refractoriness under load is above 1650º C.
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.
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
2003
Total Annual:
100,000,000-120,000,000
Employee Number:
700~730
Ecer Certification：
Verified Supplier
Zhengzhou ANNEC Industrial CO., Ltd. was founded at Sep, 2003, and has been a NASDAQ listed corporation since 2011(Stock code: ANNC). ANNEC had become refractory industrial leader provide core service such as refractory production, technology of blast furnace and hot blast stove and EP... Zhengzhou ANNEC Industrial CO., Ltd. was founded at Sep, 2003, and has been a NASDAQ listed corporation since 2011(Stock code: ANNC). ANNEC had become refractory industrial leader provide core service such as refractory production, technology of blast furnace and hot blast stove and EP...
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