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| Categories | High Alumina Fire Brick |
|---|---|
| Brand Name: | CH Refractories |
| Model Number: | CH |
| Certification: | ISO |
| Place of Origin: | China |
| MOQ: | 5 tons |
| Price: | 400-600USD/T FOB |
| Payment Terms: | L/C, T/T |
| Supply Ability: | 3000 tons per month |
| Delivery Time: | 15-30 working days |
| Packaging Details: | Pallet or wooden carton |
| name: | Phosphate-Bonded High Alumina Brick |
| advantage: | Higher strength and good wear resistance |
| type: | Factory, Customiable |
| application: | rotary kiln |
| Al2o3 content (%): | 55~75% |
| Fe2o3: | 1.8Max |
| Company Info. |
| ZHENGZHOU CAIHUA KILN MASONRY INSTALLATION CO.,LTD |
| Verified Supplier |
| View Contact Details |
| Product List |
The manufacturing technique of phosphate refractory bricks is same as phosphate castable. With rapid development recent years, phosphate refractory brick is remarkably effective in cement kiln and electric furnace roof.
Phosphate-bonded high alumina brick is a kind of chemical bonded refractory brick made of dense super grade or first grade high alumina clinker as the main raw material, phosphate solution or aluminum phosphate solution as the binder, after semi-dry press molding, heat treatment in 400~600. It belongs to the non-fired brick, in order to avoid the product contraction in the process of use, the general need to introduce heating expansion raw materials, such as blue pinstone, silica and so on. Compared with the ceramic combination fired high aluminum brick, its peeling resistance is better, but its softening temperature under load is low, corrosion resistance is poor, so a small amount of fused corundum, mullite, etc., should be added to strengthen the matrix. Phosphate-bonded high alumina brick is widely used in cement rotary kiln, electric furnace top and other furnace parts.
| Brands | Ordinary phosphate brick | Phosphate combined wear-resistant brick | Special phosphate brick | Phosphate composite brick | |
| Items | CH-PZ75 | CH-PA75 | CH-PT80 | Heavy part | Lightweight part |
| AL2O3/% | 75 | 75 | 80 | 75 | 55 |
| Fe2O3%≤ | 2.1 | 2.1 | 1.8 | 2 | 1.5 |
| Refractoriness / | 1770 | 1770 | 1790 | 1770 | ---- |
| Bulk density (110℃×24h) g/cm3 | 2.7 | 2.75 | 2.9 | 2.8 | 1 |
| Compressive strength/ MPa ≥ | 70 | 75 | 80 | 75 | 5.5 |
| 0.2Mpa refractoriness under load /℃≥ | 1350 | 1300 | 1520 | 1350 | --- |
| Thermal shock resistance(1100℃)/time | 20 | 20 | 15 | ---- | ----- |
Advantages of Phosphate Refractory Brick
Higher strength and good wear resistance.
Good chemical resistance. (The alkali resistance is better than
clay bricks and high alumina bricks)
Good thermal shock resistance.
The load softening temperature is higher.
Customerize mould according to different size requirements for free
Application of Phosphate Refractory Brick:
Transition zone of the rotary kiln, the kiln mouth, the kiln door
cover, the lining of the cooler and other parts of the refractory
brick that are easy to loose and fall.
Packages and delivery
Plants view
CH Refractories has been major in fire bricks, castable and ramming mass manufacturer for more than 30 years. Products have been exported to many countries, such as Pakistan, Korea, Malaysia, Indoneisa, Germany and so on. There are more than 100 professional engineers to make sure stable product quality. We care high quality and safety of refractories.
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