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.
| Artikel/Güteklasse | CA50 | CA70 | CA80 | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| A600 | A700 | A900 | CA70 | CA70W | CA70S | CA71 | CA80 | CA80S | |||
| Chemische Zusammensetzung | 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 | / | / | / | / | / | / | ||
| Feinheit | 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 | ||
| Zeit einstellen | Anfängliche Einstellzeit (min) | ≥45 | ≥60 | ≥90 | 120-180 | 30-90 | 180-240 | 150-210 | 30-90 | 90-150 | |
| Endgültige Abbindezeit (min) | ≤360 | ≤360 | ≤360 | 150-240 | 90-180 | 240-330 | 210-300 | 90-180 | 270-360 | ||
| Stärke (ISO) | Biegefestigkeit/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 | ||
| Druckfestigkeit/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 | / | / | / | / | / | / | ||
| Spezifische Oberflächen ≥/ (㎡/kg) | 300 | 320 | 350 | / | / | / | / | / | / | ||
In addition, we also supply: CA40/41 Zement
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.
Der gesamte Lieferprozess wird nachverfolgt, und das Expertenteam von Kerui löst die spezifischen Projektanforderungen mit höchster Professionalität. Wenn das Projekt des Kunden es erfordert, reist das Kerui-Expertenteam in das Land des Kunden, um dort persönlich technische Unterstützung zu leisten.
Neben dem chinesischen Festland hat Kerui Refractory seine Produkte in mehr als 50 Länder und Regionen auf 5 Kontinenten exportiert, darunter Asien, Europa, Amerika, Afrika und Ozeanien. Wir haben von Kunden aus der ganzen Welt Anerkennung und hohes Lob erhalten und werden von ihnen immer wieder beauftragt und weiterempfohlen.