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| Categories | Corundum Refractoriess/Abrasives |
|---|---|
| Place of Origin: | Henan, China |
| Shape: | Block |
| Material: | calcined bauxite |
| SiO2 Content (%): | 5~35% |
| Al2O3 Content (%): | 60~90% |
| MgO Content (%): | 0.18% |
| CaO Content (%): | 0.01 |
| Refractoriness (Degree): | 1770°< Refractoriness< 2000° |
| CrO Content (%): | 0.1~0.3% |
| SiC Content (%): | none |
| Model Number: | Refractory Insulation |
| Brand Name: | HongTai |
| Product name: | Refractory Insulation |
| Type: | Refractory Insulationfactory |
| Size: | Customized Size |
| Refractory InsulationFe2O3: | <2% |
| Delivery time: | based on your quantity |
| Packing: | Jumbo bag |
| OEM: | YES |
| Calcined Bbauxite Sample: | Freely |
| Usage: | refractoy |
| Price: | $0.10 - $0.60/kilograms |



Product | CA-65 | CA-68 | CA-70 | CA-75 | CA-80 | ||
Chemical Composition (%) | Al2O3 | 64-66 | 67-69 | 69-71 | 73-75 | 77-80 | |
CaO | 32-34 | 29-31 | 27-29 | 23-25 | 18-20 | ||
SiO2 | 1.8 | 1.2 | 0.3 | 0.3 | 0.3 | ||
Fe2O3 | 0.6 | 0.6 | 0.3 | 0.3 | 0.3 | ||
Specific Surface (cm2/g) | 4500 | 4500 | 5000 | 5000 | 7000 | ||
Setting time (h:min) | Initial setting (min) | 0:40 | 0:40 | 0:40 | 0:45 | 0:45 | |
Final Setting (min) | 8:00 | 8:00 | 10:00 | 10:00 | 10:00 | ||
Cold Modulus of Rupture (MPa) | 24 hour | 6.0min | 6.0min | 6.0min | 6.0min | 5.0min | |
72 hour | 8.0min | 8.0min | 8.0min | 8.0min | 6.0min | ||
Cold Crushing Strength (Mpa) | 24hour | 45.0min | 45.0min | 45.0min | 45.0min | 35.0min | |
72hour | 70.0min | 70.0min | 70.0min | 70.0min | 60.0min | ||
Refractoriness (°C) | 1680 | 1710 | 1730 | 1750 | 1770 | ||












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