Non-stick aluminum castable
1.Fireproof Non-stick aluminum castable used for melting aluminum furnace wall and furnace bottom.
2.Fireproof Non-stick aluminum castable suitable for the bottom of molten aluminum furnace, molten pool, slag slope, runner, aluminum water bag and degassing box.
PRODUCT DESCRIPTION
Non-Stick Aluminum Castable Definition
Non-stick aluminum refractory casting is a new type of low-cement content and ultra-fine powder based on high-purity mullite, andalusite and sillimanite. Due to the combination of high purity raw materials and ultra-fine powder, the series of materials has high bulk density, high strength and good thermal shock stability, which can greatly reduce the wet ability of aluminum, alloy and slag to refractory materials, which is improving the refractory material pair. The corrosion resistance, anti-scourability, non-stick aluminum and slag function of the aluminum liquid containing chemical components such as salt and flux prevent the infiltration of aluminum and alloys and slag into the refractory material and prolong the life of the lining.
Non-Stick Aluminum Castable Features
1: Non-stick alumina castable refractory have high refractoriness, good thermal shock resistance and volume stability
2:Non-stick alumina castable refractory have good resistance to other active metals such as aluminum and magnesium
3: Non-stick alumina castable refractory have high wear resistance and high strength, can resist the wear and impact on the furnace mouth, furnace bottom and furnace wall during feeding.
Non-Stick Aluminum Castable Application
1.Fireproof Non-stick aluminum castable used for melting aluminum furnace wall and furnace bottom.
2.Fireproof Non-stick aluminum castable suitable for the bottom of molten aluminum furnace, molten pool, slag slope, runner, aluminum water bag and degassing box.
3.Non-stick alumina castable refractory is used for aluminum melting furnace, maintaining the touch of aluminum liquid part, aluminum liquid holding furnace, aluminum liquid lifting bag and the like to touch the aluminum liquid part.
4.Non-stick alumina castable refractory suitable forging machine front holding furnace joint casting and high purity aluminum smelting equipment lining.
Non-Stick Aluminum Castable Technical effect
1.To solve the problem of the reaction of refractory materials for aluminum industry in aluminum liquid, the new material developed by ourselves does not produce aluminum ash during the smelting process of aluminum liquid, does not erode, and does not form nodules.
2.Refractory Non-stick alumina castable can greatly reduce the loss of aluminum in the aluminum smelting process. The composite fine powder is added to the non-stick aluminum refractory castable to reduce the porosity and pore diameter of the refractory castable to prevent adhesion and penetration of the aluminum liquid. In the aluminum smelting process,refractory castable does not stick to aluminum, does not slag, and does not produce aluminum ash.
3. Non-stick aluminum refractory casting reduce the reaction between aluminum liquid and refractory material, improve the quality of aluminum alloy.
Non-Stick Aluminum Castable Using Precautions
When using aluminum alloy refractory castables in contact with aluminum liquid, pay attention to the inner lining of the aluminum melting furnace. Because the non-stick aluminum casting material is used on the aluminum melting furnace, there is a certain relationship between refractory castable life and the length. At the same time, we want to extend the use of the aluminum melting furnace to choose a non-stick aluminum casting material with stable quality. If the quality is unstable, the impact on the aluminum melting furnace is more or less. Refractory Non-stick alumina castable is directly related to the aluminum liquid. So the production quality of the non-stick aluminum castable is not very stable, so the damage caused to the molten aluminum furnace is also quite large.
TECHNIQUE DATA
Non-Stick Aluminum Castable Specification
| Item | BWJ-1 | BWJ-1A | BWJ-M | BWJ-F | BWJ-G | |
| Al2o3(%) | 60 | 65 | 65 | 70 | 80 | |
| Fe2o3(%) | 0.6 | 0.5 | 0.4 | 0.4 | 0.4 | |
| Bulk Density(g/cm3) | 2.4 | 2.5 | 2.65 | 2.7 | 2.8 | |
| Cold Crushing Strength(Mpa) | 110℃*24h | 35 | 40 | 40 | 45 | 45 |
| 1300℃*16h | 40 | 45 | 45 | 50 | 50 | |
| Modules of Rupture(Mpa) | 110℃*24h | 5 | 10 | 10 | 12 | 14 |
| 1300℃*16h | 10 | 13 | 13 | 15 | 16 | |
| Permanent Linear Change(%0 | 1300℃*3h | 0~+0.2 | 0~+0.2 | 0~+0.2 | 0~+0.1 | 0~+0.1 |
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