Product Description
Pure Calcium Aluminate Cements CA-70, also called as Pure Calcium Aluminate Cements before, are produced by calcining industrial aluminium oxide and fine limestone under strict mineralogical control in rotary kilns into clinker, cooling and then grinding in ball mills.
The excellent rheological properties make Aluminate Cement CA-70 suitable to formulate the top grade and high-temperature-resistant low cement and ultra low cement castables. It is an absolutely necessarily excellent hydraulic binder used in refractory materials for high temperature equipments in the area of Metallurgy, Chemistry, Building material and Fire-electricity Applications.
The aluminate cement CA-70 contains approximately 70% of Al₂O₃.
Main Applications
- Metallurgy: High temperature equipment refractory linings
- Chemistry: Chemical reactor and vessel linings
- Building Material: Kiln and furnace construction
- Fire-electricity: Power plant boiler and incinerator applications
- Low Cement Castables (LCC) formulation
- Ultra Low Cement Castables (ULCC) formulation
Technical Specifications
Brand Characteristics
| Brand | Type | Main Phases | Secondary Phases | Character and Uses |
|---|---|---|---|---|
| CA70 | General | CA | CA₂, α-Al₂O₃ |
• Without any additives • Suitable to formulate all kinds of refractory castables, LCC & ULCC • With high strength |
Chemical Composition
| Item | Unit | CA70 |
|---|---|---|
| Al₂O₃ | % | 68-72 |
| CaO | % | 30 Max |
| SiO₂ | % | 1.0 Max |
| Fe₂O₃ | % | 0.7 Max |
Physical Properties
| Item | Unit | CA70 |
|---|---|---|
| Fineness | ||
| Blaine specific surface area | m²/kg | ≥600 |
| Time of Setting | ||
| Initial setting time | minute | ≥30 |
| Final setting time | minute | ≤360 |
| Compression Strength | ||
| 24 hour | MPa | 30 |
| 72 hour | MPa | 40 |
| Flexural Strength | ||
| 24 hour | MPa | 5 |
| 72 hour | MPa | 6 |
📦 Packaging
In 25kg paper bags × 40 paper bags on pallet
⚠️ Storage Instructions
Keep in dry conditions and prevent humidity during storage and transportation.
Don't mix with other variety of cements.