High alumina cement (formerly known as bauxite cement) is a hydraulic cementitious material with aluminate as the main mineral component, which is prepared by bauxite and lime in a certain proportion, calcined and ground, also known as aluminate cement.
| Item / Kelas | CA50 | CA70 | CA80 | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| A600 | A700 | A900 | CA70 | CA70W | CA70S | CA71 | CA80 | CA80S | |||
| Komposisi Kimia | ω (SiO2) ≤ / % | 7.8 | 7.5 | 5.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | |
| ω (Al2O3)/% | 50.0 | 51.0 | 53.5 | 68.5-70.5 | 68.5-70.5 | 68.5-70.5 | 69.5-71.5 | 78.0-81.0 | 78.0-81.0 | ||
| ω (Fe2O3) ≤ / % | 2.5 | 2.5 | 2.5 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | ||
| ω (CaO) / % | / | / | / | 28.5-30.5 | 28.5-30.5 | 28.5-30.5 | 27.5-29.5 | 17.5-20.5 | 17.5-20.5 | ||
| ω (MgO) ≤ / % | / | / | / | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | ||
| ω (R2O) ≤ / % | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | ||
| ω (S) ≤/% | 0.1 | 0.1 | 0.1 | / | / | / | / | / | / | ||
| ω (Cl) ≤/% | 0.1 | 0.1 | 0.1 | / | / | / | / | / | / | ||
| Kehalusan | d50 / μm | / | / | / | 11-4 | 8-11 | 6-9 | 10-13 | 5-8 | 5-8 | |
| -45μm ≤ / % | / | / | / | 8.0 | 5.0 | 5.0 | 8.0 | 5.0 | 5.0 | ||
| Mengatur Waktu | Waktu Pengaturan Awal (menit) | ≥45 | ≥60 | ≥90 | 120-180 | 30-90 | 180-240 | 150-210 | 30-90 | 90-150 | |
| Waktu Pengaturan Akhir (menit) | ≤360 | ≤360 | ≤360 | 150-240 | 90-180 | 240-330 | 210-300 | 90-180 | 270-360 | ||
| Kekuatan (ISO) | Kekuatan Lentur/Mpa | 24h | 6.0 | 6.5 | 8.0 | 7.5-10.0 | 8.0-10.5 | 8.0-10.5 | 8.5-11.0 | 5.0-7.5 | 5.0-7.5 |
| 72h | 7.0 | 7.5 | 10.0 | 10.0-12.0 | 10.5-12.5 | 10.5-12.5 | 11.0-12.5 | 6.0-8.5 | 6.0-8.5 | ||
| Kekuatan Tekan / Mpa | 24h | 45 | 55 | 72 | 40-50 | 45-55 | 45-55 | 50-60 | 30-40 | 30-40 | |
| 72h | 55 | 65 | 82 | 45-55 | 50-60 | 50-60 | 55-65 | 40-50 | 40-50 | ||
| 325M ≤/% | 15 | 12 | 8 | / | / | / | / | / | / | ||
| Area Permukaan Spesifik ≥/ (㎡/ kg) | 300 | 320 | 350 | / | / | / | / | / | / | ||
In addition, we also supply: Semen CA40/41
1.Large Heat of Hydration
2.Strong Resistance to Sulfate Erosion
3.Good High Temperature Resistance
4.Early Strength Characteristics
1. Flues, kilns, heat treatment furnaces and other building parts 2. Blast furnaces, converters, electric furnaces, etc., can be used as lining materials 3. Lining and protection of oil refining equipment, chemical furnaces, reactors 4. Maintenance and protection of high-temperature equipment such as electric furnaces, boilers, chimneys 5. Lining and protective layer of glass melting furnaces 6. Maintenance and protection of ladles, steel ladles, steelmaking furnaces, and continuous casting equipment.
Seluruh proses pengiriman dilacak, dan tim ahli Kerui menyelesaikan kebutuhan proyek tertentu dengan profesionalisme tertinggi. Jika proyek pelanggan membutuhkannya, tim ahli Kerui akan pergi ke negara pelanggan untuk memberikan dukungan teknis tatap muka.
Selain Cina daratan, Kerui Refractory telah mengekspor produk ke lebih dari 50 negara dan wilayah di 5 benua di seluruh dunia, termasuk Asia, Eropa, Amerika, Afrika, dan Oseania. Kami telah menerima pengakuan dan pujian yang tinggi dari pelanggan di seluruh dunia, dan terus-menerus menerima pesanan kembali dan referensi dari pelanggan.