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Corundum castable
Corundum castable is a refractory castable prepared by adding corundum as aggregate and powder with some binders. It has higher mechanical strength an
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Corundum castable is a refractory castable prepared by adding corundum as aggregate and powder with some binders. It has higher mechanical strength and abrasion resistance than high alumina refractory castables and mullite refractory castables, but slightly inferior thermal shock resistance.
Mainly used as lining material for various kilns such as boilers, blast furnaces, heating furnaces, ceramic kilns, etc.
Corundum castables contain early strength agents and explosion-proof agents, which have better high-temperature performance and usage effect. Heat resistant steel fibers can be added according to user requirements.
Performance indicators of corundum castable
| project | LM-A165 | LM-A170 | LM-A175 | |
|---|---|---|---|---|
| Maximum operating temperature (℃) | 1650 | 1700 | 1750 | |
| Bulk density/(g/cm ³) | 110℃×24h | ≥3 | ≥3 | ≥3 |
| Chemical composition/% | Al2O3 | ≥90 | ≥92 | ≥92 |
| SiO2 | ≤6 | ≤4 | ≤4 | |
| Flexural strength (MPa) | 110℃×24h | ≥12 | ≥13 | ≥8 |
| 1100℃×3h | ≥12 | ≥13 | ≥8 | |
| 1500℃×3h | ≥15 | ≥15 | ≥8 | |
| Compressive strength (MPa) | 110℃×24h | ≥80 | ≥85 | ≥90 |
| 1100℃×3h | ≥90 | ≥100 | ≥110 | |
| 1500℃×3h | ≥100 | ≥110 | ≥120 | |
| Post burn line change rate/% | 1500℃×3h | ±0.5 | ±0.5 | ±0.5 |
| Construction reference water consumption/% | 4.5~.5 | 5~6 | 5.5~6.5 | |
Product display of corundum castable
Construction case of corundum casting material
Experienced construction team with over 10 years of construction experience
Dedicated line delivery, fast delivery, greatly reducing transportation cycle
Regular follow-up visits by the after-sales team
24-hour rapid response and 48 hour on-site arrival
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