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| Categories | High Alumina Refractory Brick |
|---|---|
| Brand Name: | RONGSHENG |
| Certification: | ISO9001 |
| Place of Origin: | Henan, China |
| Durability: | High |
| Refractoriness: | ≥ 1780°C |
| Shape: | Standard bricks, special shapes available |
| Temperature: | 1700-1800℃ |
| Acid Resistance: | High |
| Porosity: | ≤ 20% |
| Weight: | ≥ 3.2 Kg |
| Cold Crushing Strength: | ≥ 50 MPa |
| Carbon Content: | ≤1.5% |
| Applicnace: | ladle, kiln, furnace |
| Moisture Content: | ≤1.5% |
| Refractoriness Under Load: | 1450-1550℃ |
| Heat Capacity: | High |
| Bulk Density: | ≥ 2.6 g/cm3 |
| Alumina Content: | Above 45% |
| Company Info. |
| Zhengzhou Rongsheng Refractory Co., Ltd. |
| Verified Supplier |
| View Contact Details |
| Product List |
RS Refractory is an experienced supplier of such cement which offers 500 tons manufacturing capacity of alumina refractory cement daily, to make sure timely delivery to customers. The High Alumina Cement can be packaged in two layers of moisture-proof polyethylene jumbo bags to protect the product from damp air, while each bag contains 25kg refractory cement.
| HIGH ALUMINA CEMENT DATA SHEET | |||||||
| No. | Item/ Model | CA50 | CA70 | CA80 | |||
| CA50-A600 | CA50-A700 | CA50-A900 | CA-70 | CA-80 | |||
| 1 | Chemical Composition (%) | Al2O3 | ≥50 | ≥50 | ≥51 | 68-72 | ≥77 |
| 2 | CaO | ≥33 | ≥33 | ≥33.5 | ≤30 | ≤20 | |
| 3 | SiO2 | ≤8 | ≤8 | ≤6.5 | ≤1 | ≤0.5 | |
| 4 | Fe2O3 | ≤2.5 | ≤2.5 | ≤2.5 | ≤0.7 | ≤0.5 | |
| 5 | Na2O+K2O | ≤0.4 | ≤0.4 | ≤0.4 | ≤0.4 | ≤0.4 | |
| 6 | Mineral facies | Primary phase | CA, CA2 | CA, CA2 | CA, CA2 | CA, CA2 | CA, CA2 |
| 7 | secondary phase | CT, C2AS | CT, C2AS | CT, C2AS | α-Al2O3 | α-Al2O3 | |
| 8 | Specific gravity(g/cm3) | 2.95-3.05 | 2.95-3.05 | 2.95-3.05 | 2.95-3.05 | 3.2-3.3 | |
| 9 | Specific surface area(m2/kg) | ≥300 | ≥300 | ≥400 | ≥600 | ≥650 | |
| 10 | Laser measurement of particle size distribution | -d50(μm) | 18 | 18 | 10 | 7 | 5 |
| 11 | -d90(μm) | 50 | 50 | 40 | 35 | 25 | |
| Refractory mortar property | |||||||
1 | Mortar formulation | Cement/sand ratio =1/3 cement 450g sand 1350g water-cement ratio =0.45 | Cement/sand ratio =1/3 cement 450g sand 1350g water-cement ratio =0.45 | Cement/sand ratio =1/3 cement 450g sand 1350g water-cement ratio =0.43 | Cement/sand ratio =1/3 cement 450g sand 1350g water-cement ratio =0.39 | Cement/sand ratio =1/3 cement 450g sand 1350g water-cement ratio =0.40 | |
| 2 | Setting time (GB/T 201-2015)(min) | Initial setting time | ≥30 | ≥30 | ≥90 | ≥30 | ≥30 |
| 3 | Final setting time | ≤360 | ≤360 | ≤360 | ≤360 | ≤360 | |
| 4 | Flexural strength (GB/T 17671- 1999)(Mpa) | 24h | 6 | 6.5 | 8 | 5 | 4 |
| 5 | 72h | 7 | 7.5 | 10 | 6 | 5 | |
| 6 | Compressive strength (GB/T 17671- 1999)(Mpa) | 24h | 45 | 50 | 70 | 30 | 25 |
| 7 | 72h | 55 | 60 | 80 | 40 | 30 | |
CH Refractories is a leading supplier of high aluminous cement (HAC cement) and refractory concrete mix. The company's main products include A600, A700, A900 and CA70 CA80 high alumina cement, all certified by ISO. The unique features of RS Refractory products make them ideal for a wide range of applications.
The A600, A700, A900 and CA70 CA80 high alumina cement are renowned for their high compressive strength, which is ≥50MPa, as well as their high combination, good flowability and high strength. The chemical composition of these cements, with Al2O3≥70%, further enhances their refractoriness, reaching up to 1700 degree. Besides, their thermal conductivity is ≤1.2W/m.k.
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