White Sintered Tabular Alumina Refractory Raw Materials

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Product Introduction:

Alumina as refractory material has higher hardness and slightly lower toughness. It also has high purity, self-sharpening ability, high cutting rate, less calorific value, high efficiency, acid and alkali resistance characteristics, good thermal stability.Aluminaas refractory material has the characteristics of high hardness, high compressive strength, wear resistance, abrasives, chemical inertness, high refractoriness, excellent electrical insulation properties, dielectric properties, high melting point, etc.

Product Parameter (Specification)

Item		Typical Value
		AM-CA-RC-9FG	AM-CA-RC-1	AM-CA-RC-A99
Chemical Composition	Al2O3 (%)	≥99.5	99.72	＞99
	SiO2 (%)	0.06	0.05	＜0.1
	Na2O (%)	0.12	0.04	≤0.4
	Fe2O3 (%)	0.04	0.04	≤0.1
	MgO (%)	0.02	0.02	-
	CaO (%)	0.02	0.02	-
Physical properties	BET                             Specific Surface Area (m2/g)	0.93	1.28	1-2
	Particle Size                          D50 (μm)	5.2	3.70	4-6
	Particle Size              D90 (μm)	22.7	9.2	-

Remarks:Can produce the specifications customers provide or give a customize a solution.

Application:

The thermal shock resistance of alumium oxide refractory depends on its microstructure and the shape and size of the product. Generally speaking, its thermal shock resistance is medium. In short, It has the properties of high temperature resistance, high strength, high hardness, oxidation resistance, electrical insulation, corrosion resistance, and good air tightness. Therefore, as a special refractory material, it is widely used. The representative use is to use its high temperature resistance, corrosion resistance and high strength as sliding nozzles, immersion nozzles, metallurgical high-purity metals or crucibles for growing single crystals in steelmaking production, and structural parts of various high-temperature furnaces. (furnace wall, furnace tube), heat-resistant and anti-oxidative coating, etc.

After replacing the Al2O3 with an appropriate amount of high-temperature powder, the high-temperature resistance of the refractory material did not decrease but increased, and the linear change rate of the refractory also increased. The reason is that adding an appropriate amount of high-temperature aluminum can appropriately increase the density of the castable. At high temperature, high-temperature al2o3 can also form mullite with micro-silica powder, which improves the high-temperature strength of the castable. Therefore, when adding high-temperature powder to refractory materials, it must be used, and low-purity high-temperature alumina powder cannot be used cheaply.

Product Packing & Delivery

FAQ

Q: The MOQ is?

A: MOQ is usually 1 ton, special products can be coordinuted with each other.

Q: Can I visit your factory?

A: Yes, we welcome you to visit our factory at anytime

Q: How about your delivery time?

A: Usually the shipment is within 15 days after confirming receipt of your payment, some products maybe need longer time.

Our company adheres to "professional people to do professional things" to provide customers most cost performance White Sintered Tabular Alumina Refractory Raw Materials and valuable after-sales service. We must not only deeply strengthen the competitiveness of our core products, but also constantly improve the company's talent development and optimization of technological innovation mechanisms. Our factory has a complete and scientific quality management system. We always insist that innovation is the only way for an enterprise to break through and expand its development space.

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