Produc Description

Calcined alumina powder is an industrial alumina powder material suitable for high-temperature calcination processes, widely used in ceramics, refractories, polishing materials, electronic materials, catalyst supports, fillers, and industrial powder processing. This product features high purity, uniform particle size distribution, good chemical stability, strong high-temperature resistance, and stable structure after calcination, meeting the requirements of various industrial users for powder raw material quality and processing performance.

As a commonly used calcined alumina powder, this product forms a stable crystalline phase structure during calcination, suitable for applications requiring whiteness, hardness, thermal stability, and powder flowability. For companies seeking to improve product quality, optimize production processes, and reduce overall operating costs, high-quality industrial alumina powder is a crucial raw material.

In practical industrial applications, different industries have varying requirements for alumina powder particle size, purity, loss on ignition, impurity content, and calcination performance. Therefore, selecting a stable and reliable alumina powder supplier not only helps improve product consistency but also enhances subsequent processing and the performance of end products.

Application Areas

· Ceramic Industry: Calcined alumina powder is widely used in industrial ceramics, electronic ceramics, and specialty ceramics.

· Refractory Materials Industry: Calcined alumina powder is an important raw material in refractory bricks, castables, and high-temperature industrial materials, used to improve the materials' high-temperature resistance, wear resistance, and structural stability.

· Polishing Materials: As a common alumina polishing powder, alumina powder can be used for fine polishing of metal, glass, and ceramic surfaces.

· Catalyst and Support Raw Material: This product can also be used as a basic raw material in some catalytic materials and support systems.

· Filler and Functional Materials: Aluminum oxide powder can also be used as a filler or functional additive in plastics, rubber, composite materials, and specialty functional powders.

· Electronic Materials and Fine Industries

Product Parameters

Type	Specification	Chemical Composition				Physical Characteristics
Type	Specification	Al203 %	Na2O %	SiO2 %	Fe2O3 %	α-Al203 %	True density g/cm3	Primary Particle Size μm	Specific Surface Area ㎡/g	Mean Particle Size D50, μm
Low Soda Calcined α-Alumina,Original Powder
ND-10	A5113	≥99.5	0.10	0.03	0.02	95	3.95	1	2.2
ND--20	A6032	≥99.6	0.07	0.03	0.02	96	3.96	3	1.2
ND--40	A7041	≥99.6	0.05	0.03	0.02	97	3.97	4	1.0
Low Soda Calcined α-Alumina,Micropowder
ND--1G	A5113g1	≥99.3	0.10	0.15	0.02	95	3.95	1	2.6	1.5±0.5
ND--3G	A6032g3	≥99.5	0.07	0.13	0.02	96	3.96	3	1.8	3±0.5
ND--5G	A7042g5	≥99.5	0.05	0.10	0.02	97	3.97	4	1.2	5±0.5
Application of this α alumina Powder: spark plug, electronic substrate, electric vacuum tubes, ceramic boby, etc.
Medium Soda Calcined α-Alumina,Original Powder
NDM--30	A3224	≥99.5	0.18	0.03	0.02	93	3.93	2	3.5	-
ND-M-40	A5234	≥99.5	0.15	0.03	0.02	95	3.95	3	3.5	-
Medium Soda Calcined α-Alumina,Micropowder
ND-M-3G	A3224g2	≥99.2	0.18	0.15	0.03	93	3.93	2	3.5	3±0.5
ND-M-4G	A5234g4	≥99.3	0.15	0.15	0.03	95	3.95	3	3.5	4±0.5
Application of this α alumina Powder: ceramic roller, high alumina ceramic ball and lining, Shaped and monolithic refractories etc.
Ordinary Soda Calcined α-Alumina, Original Powder
AP-30	A3314	≥99.5	0.28	0.03	0.02	93	3.93	1	3.5	-
AP-40	A5324	≥99.5	0.25	0.03	0.02	95	3.95	2	3.5	-
Ordinary Soda Calcined α-Alumina, Micropowder
AP-1G	A3314gl	≥99.0	0.28	0.2	0.02	93	3.93	1	3.5	1±0.5
AP-2G	A3314g2	≥99.2	0.28	0.15	0.02	93	3.93	1	3.5	2±0.5
AP-3G	A3314g4	≥99.3	0.25	0.1	0.02	95	3.95	2	3.5	4±0.5
Application of this α alumina Powder: refractory materials, lapping & polishing, chemical ball filler,etc.
Note: In addition to the above products, but also can do R&D and production to provide a kind of products according to the requirements of the customers.

Pictures of Alumina Powder For Calcined

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Why choose our Alumina Powder for Calcined?

We specialize in the production and supply of alumina powder and related industrial materials, providing tailored industrial alumina powder solutions for various applications. Whether you use it in ceramics, refractories, polishing, catalyst feedstock, or other industrial applications, we prioritize product stability, application compatibility, and long-term supply capabilities.

Our strengths lie not only in the products themselves but also in our service support:

Support for different specifications

Recommendation of suitable products based on application

Support for sample communication

Support for bulk purchasing

Stable supply

Timely response

For customers seeking long-term partnerships with alumina powder manufacturers or calcined alumina powder suppliers, stable quality and reliable communication are equally important.

FAQ

Q:Is it suitable for high-temperature calcination processes?

A:Yes. As an alumina powder for calcination, this product exhibits good structural stability and heat resistance under high-temperature conditions.

Q:Can it be used in ceramics and refractory materials?

A:Yes. Industrial alumina powder is widely used in the ceramics and refractory materials industry, helping to improve the strength, abrasion resistance, and high-temperature performance of products.

Q:Can you provide different particle sizes?

A:Yes, we can discuss different particle sizes and technical requirements based on different application needs to better match the production process.

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