High Temperature Calcium Aluminate High Alumina Cement - Raw Materials for Refractory
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 2000 m.t./month
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Product Description
| Description of calcium aluminate high alumina cement |
The calcium aluminate high alumina cement is made by bauxite and lime as raw material,calcined and grinded after compounding with certain rate.
| Advantages of calcium aluminate high alumina cement |
The calcium aluminate high alumina cement has high strength and easy to construct.
| Applications of calcium aluminate high alumina cement |
The calcium aluminate high alumina cement can be used to compound the unshaped refractory and for some rush-to-build constructions.
| Physical and Chemical Indexes |
| Characteristic | Item | Unit | calcium aluminate high alumina cement | |||
| A600 | A900 | CA-70 | CA-80 | |||
| Superficial area | / | m²/kg | 354.8 | 425.2 | 612 | 608 |
| Chemical contents | SiO2 | % | 7.81 | 5.86 | 0.32 | 0.28 |
| Al2O3 | % | 51.26 | 54.12 | 73.68 | 78.86 | |
| Fe2O3 | % | 1.78 | 1.72 | 0.32 | 0.15 | |
| R2O | % | 0.26 | 0.23 | 0.2 | 0.21 | |
| Setting time | Initial setting time | minute | 128 | 205 | 109 | 68 |
| Final setting time | minute | 159 | 287 | 172 | 121 | |
| Rupture strength | 1 day | Mpa | 6.1 | 9.2 | 8.2 | 5.7 |
| 3 days | Mpa | 7.1 | 11.1 | 10.2 | 7.7 | |
| 110℃ | Mpa | / | / | 12 | 8.9 | |
| Compressive strength | 1 day | Mpa | 52.4 | 72.5 | 55.8 | 43.2 |
| 3 days | Mpa | 56.8 | 81.9 | 70.6 | 55.4 | |
| 110℃ | Mpa | / | / | 89.8 | 80.8 | |
- Q: which kind of material is chosen for fireproofing window?
- (1) the inside filler material of steel, wood frame should use incombustible material. (2) window frame uses steel frame or wooden frame with certain strength that can safeguard the integrity and stability of the components. (3) steel frame and mound layer can choose galvanized?steel?sheet or stainless steel plate. Its selection criteria conform to the article 5.1 in GB12955 Steel Fireproof Door General Technical Condition. (4) the selection criteria of wooden frame and mound layer should conform to the article 5.1 in GB12955 Wooden Fireproof Door General Technical Condition. (5) fire-resistant glass can choose test approved products without affecting the fire resistance of fireproofing windows . Light transmittance of glass should not be less than 75% of same layers commom sheet glass. (6) the sealing material between the frame and the fire-resistant glass should use flame retardant materials, it can play a role of fireproofing and smoke insulation in the fire. (7) hardware accessories should be tested qualified approved supporting product.
- Q: What is the role of adding chromium oxide green in unshaped refractory materials
- Generally, less is added in corundum or corundum spinel refractory material, but it can significantly improve the material performance such as high temperature strength, erosion resistance, thermal and shock stability, etc.
- Q: How to count the construction costs of refractories?
- In winter, the temperature of the the fire-resistant masonry, fire-resistant plastic, sodium silicate, phosphoric?acid castable should be maintained above 5 ℃. Usually greenhouses in which heating facilities are installed to maintain the appropriate temperaturere for the construction environment should be erected in refractory masonry. The temperature around the construction site of the industrial furnace and refractory masonry shall not be lower than 5 ℃.
- Q: Why should graphitic refractory materials be used now that graphite can burn?
- Materials for refractory must have the following characteristics and properties: 1, high stability: Anti-oxidation, anti-reduction, thermal decomposition; 2, high melting point : 2800℃; 3, low price. Graphite has all three characteristics and properties, especially melting point and stability.
- Q: how does the fire endurance of first rate fire resistant window?
- the classes are different. class A window not less than 1.5 hours, and the time is short, class B window not less than 1 hours, with shorter time, Class C window not less than 0.5 hours.
- Q: What kinds of fireproof materials does the safe use?
- The fireproof materials of the safe, cement foam. It is often said recently that the safes with cement inside are bad. Actually, it is not like this. Chemical means are taken to make the cement inside safes rise like a leaven dough so as to achieve good insulation. The principle is the cement foam. Fireproof safes with such techniques have good performance in terms of fireproofing and anti-theft. The manufacturing processes of this fireproof safe are highly technical, some safes with poor techniques have problems in quality. Here are some data of the foam cement.
- Q: I am a refractory material manufacturer, sold products, money is always not back, anxious to die, what is the way?
- Looking for refractory materials network, you can conduct online transactions, funds guaranteed
- Q: Are the rubber insulation materials are refractory materials?
- Compared with the fireproofing properties, the main thermal insulation properties of level B1 will be carbonized and drop when it is over 200 degree. <p class="answer-refer mt-10 f-light-gray" accuse="aRefer"> Reference: It is provided from technicians of Guangzhou Ou Fu construction materials: The answer that has been got:
- Q: What is glass furnace used high-grade refractory materials?
- Corundum brick, such as alumina hollow ball brick. In addition, in the key parts of the glass furnace needs to use chromium zirconium corundum material. I'm salesman of zibo lei bao refractories company. The softening temperature of corundum mullite brick is 1500 degrees. So glass melting furnace needs to use refractory materials which high temperature resistance is more than 1600 degrees.
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High Temperature Calcium Aluminate High Alumina Cement - Raw Materials for Refractory
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 2000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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