Zhengzhou Annec Industrial Co., Ltd.
Continuously Pushing Forward R& D of HBS for BF and Progress of Refractory Technology To Become Preferred Global Supplier in High Temperature Industry
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Acid Erosion Resistance 94.5 SiO2 Silica Refractory Bricks
Introduction:
Good Acid Erosion Resistance Silica Checker Brick Generally suitable for thermal surface refractory lining or other refractory back lining insulation layer. Refractory lining or thermal insulation for industrial furnaces in petroleum or chemical industries, such as ethylene cracking furnaces, tubular furnaces, reforming furnaces for synthetic ammonia, gas generators and high temperature shuttle kilns.
Tunnel kiln, push board kiln, roller kiln, wood kiln refractory lining material for industrial and household ceramics
Package:
Good Acid Erosion Resistance Silica Checker 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
Good Acid Erosion Resistance Silica Checker Brick:
| Item | 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 | 1650 | 1650 |
| Thermal Expansion Rate | 1.28 | 1.25 |
Competitive Advantage:
1. Good thermal shock stability,
2. High temperature mechanical strength;
3. High softening temperature under load,
4. Good slag resistance and alkali salt resistance
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.