Non-stick Aluminum Castable

Non-stick aluminum castables are made of refractory raw materials such as mullite, bauxite, brown corundum, and high-purity corundum, using high-purity ultrafine powder technology, additives and dispersion technology; they are special refractory materials for the aluminum processing industry. Non-stick aluminum refractory castables combine the characteristics of organic and inorganic binders, and add a certain amount of new composite additives that are insoluble in aluminum to effectively control the erosion of refractory materials by liquid aluminum. Non-stick alumina castables have the properties of high volume density, high strength, and are not wetted by molten aluminum.

1. Good high temperature performance
2. High volume density
3. High bonding strength
4. Resistance to mechanical impact
5. Anti-wear
6. Resistant to aluminum penetration

(1) Effectively prevent the production of aluminum oxide scale and improve the surface quality and overall performance of aluminum alloy products.

(2) Reduce the wear and corrosion of castables and extend the service life of the pouring system, thereby reducing production costs.

(3) Since the chemical reaction between the non-stick aluminum castable and the aluminum alloy is very small, it can effectively reduce the gas generated during the casting process and reduce the pores and inclusion defects of the casting.

(4) Non-stick aluminum refractory castables have good thermal stability and thermal shock resistance, which help reduce cracks and thermal stress during the casting process.

(5) Improve production efficiency. Due to the use of non-stick aluminum refractory castables, the yield of castings is improved and the number of reworks and scraps is reduced.

1. Crushing---There are three types of jaw crushers. Their standards are expressed by the size of the feed port, mainly 250mmX400mm and 60mmX400mm, etc., with a production capacity of 5~20t/h.
2. Fine grinding --- refers to the production of refractory powder. Its equipment includes ball mills, tube mills (also known as simple mills) and vibration mills, etc.
3. Screening - divide the destroyed materials into granular materials of different particle sizes according to the particle size. Its equipment includes fixed inclined screens and electromagnetic vibrating screens. The former's screening efficiency is about 70%, while the latter's is generally more than 90%.
4. Fine grinding --- refers to the production of refractory powder. The equipment includes ball mills and tube mills. Premixing refers to the premixing of all powders or certain types of powders such as admixtures, admixtures, binders, and fine powders.

Non-stick aluminum castable Mainly used in aluminum melting furnace walls, furnace bottoms, degassing boxes, launders and spouts, front boxes and holding furnaces, etc.

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