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<img data-alt="Refractory Sillimanite Spouts for Glass Furnace Feeder Channels" height="447" ori-height="447" ori-width="750" src="http://sc01.alicdn.com/kf/HTB1IqoUNFXXXXavXVXXq6xXFXXXU/200167243/HTB1IqoUNFXXXXavXVXXq6xXFXXXU.jpg" width="750" /><img data-alt="Refractory Sillimanite Spouts for Glass Furnace Feeder Channels" height="367" ori-height="367" ori-width="750" src="http://sc01.alicdn.com/kf/HTB1GyUGNFXXXXXrapXXq6xXFXXX7/200167243/HTB1GyUGNFXXXXXrapXXq6xXFXXX7.jpg" width="750" />
Features:
The sillimanite brick is made of sillimanite minerals.After high temperature calcination,it become mullite and
dissociate silicon dioxide.Generally use high-temperature firing method and slurry casting method to produce.
1.Good thermal stability.
2.Strong resistance to chemical attack.
3.It is the first choice of stable material for glass forming.
| Types Of Sillimanite Products | |
| Item | Index |
| Al2O3(%) | >60 |
| SiO2(%) | ≤37 |
| Fe2O3 | ≤1 |
| Refractoriness ℃ | >1790 |
| 0.2Mpa Refractoriness under load ℃ | 1500 |
| Reheating linear change % 1400℃x2h | 0.15 |
| -0.5 | |
| Apparent porosity % | ≤25 |
| Bulk density | 2.2-2.4 |
| Cold crushing strength Mpa | >50 |
| Sillimanite product |
Forehearth brick, trough, rotating tube, spout, stirrer, punch, barrel, guard brick, burner brick, beam plate brick, etc. |
| Application |
The discharging hole of glass tank furnace; Forehearth and gob feeder for glass tank furnace; The furnace lining, furnace throat for blast furnace; Kiln furniture for ceramic industry. |
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