We have compiled a list of manufacturers, distributors, product information, reference prices, and rankings for alumina.
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alumina Product List and Ranking from 24 Manufacturers, Suppliers and Companies

Last Updated： Aggregation Period:Sep 24, 2025～Oct 21, 2025
This ranking is based on the number of page views on our site.

alumina Manufacturer, Suppliers and Company Rankings

Last Updated： Aggregation Period:Sep 24, 2025～Oct 21, 2025
This ranking is based on the number of page views on our site.

  1. アルテオ・ジャパン Tokyo//Other manufacturing
  2. 共立マテリアル Aichi//Ceramics
  3. JAPAN FINE CERAMICS CO., LTD. （JFC） Tokyo Sales Office Tokyo//Ceramics
  4. 4 null/null
  5. 5 セライズ CE-RISE Co.,Ltd. 新潟事業所【上越】 Niigata//Ceramics
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alumina Product ranking

Last Updated： Aggregation Period:Sep 24, 2025～Oct 21, 2025
This ranking is based on the number of page views on our site.

  1. Alteo Japan Co., Ltd. Business Introduction アルテオ・ジャパン
  2. ICA Manufactured Alumina 【Authorized Dealer】 共立マテリアル
  3. Calcined alumina
  4. Alumina (Al2O3 99.5%, 99.8%, 99.9%) JAPAN FINE CERAMICS CO., LTD. （JFC） Tokyo Sales Office
  5. 4 Which is better, alumina or steatite? セライズ CE-RISE Co.,Ltd. 新潟事業所【上越】

alumina Product List

16～30 item / All 40 items

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Chinese-made gamma alumina (γ-alumina)

Chinese-made gamma alumina (γ-alumina)

Achieving quality equivalent to European manufacturers. Numerous achievements in catalysts.

* Achieving quality equivalent to European manufacturers Numerous achievements in catalysts. High purity grades with over 99.5% purity available. * Grades with a specific surface area of over 200 m²/g available. * Grades with a pore volume of less than 1.0 ml/g available. Particle shape and impurity standards can be customized according to your requirements. Please also visit our inorganic fine chemicals division website.

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Which is better, alumina or steatite?

Which is better, alumina or steatite?

We will provide proposals and consultations on all aspects, including price and delivery time.

[For those who think, "Ceramics are expensive because they are ceramics!"] *Characteristics of two types of ceramic materials: Alumina: High mechanical strength with resistance to corrosion and wear, but more expensive than steatite (about 1.5 times). Steatite: Good insulation properties and inexpensive. Commonly used in electrical and heating components. [Common examples] If a part designed for insulation can be sufficiently made from steatite, making it from alumina will naturally increase the cost. If a part is made from steatite for wear resistance simply because it is cheaper, it will wear out quickly, resulting in the need to produce more parts, ultimately increasing costs. *Choosing the right ceramic material based on application is the key to purchasing at a lower cost.

  • Fine Ceramics

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White Fused Alumina (WFA)

White Fused Alumina (WFA)

Hardness is 9.0 Mohs! Introducing high-purity alumina with an Al2O3 purity of over 99%.

"White Fused Alumina (WFA)" is a white alumina abrasive material that is produced by melting and refining alumina in an electric furnace. With a purity of over 99% Al2O3, it maintains a sharp particle size distribution and stable particle shape, enabling advanced surface processing. It can be used for applications such as blasting, general grinding wheels, refractory materials, lapping, and polishing cloth. 【Physical Properties】 ■ Hardness: 9.0 Mohs ■ Melting Point: 2050℃ ■ Specific Gravity: ≥3.90 g/cm³ ■ Bulk Density: 1.4-1.99 g/cm³ ■ Color: White *For more details, please download the PDF or feel free to contact us.

  • Other abrasives

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Brown Fused Alumina BFA

Brown Fused Alumina BFA

The bulk density is 1.55-1.99 g/cm³! Good hardness, strength, wear resistance, corrosion resistance, and high-temperature resistance.

We would like to introduce our product, "Brown Fused Alumina BFA." Applications include blasting, general grinding wheels, refractory materials, and abrasive cloth and paper. It possesses good hardness, strength, wear resistance, corrosion resistance, and high-temperature resistance. Please feel free to contact us if you have any inquiries. 【Physical Properties】 ■ Hardness: 9.0 Mohs ■ Melting Point: 2050℃ ■ Specific Gravity: ≥3.90 g/cm³ ■ Bulk Density: 1.55-1.99 g/cm³ ■ Color: Brown *For more details, please download the PDF or feel free to contact us.

  • Other abrasives

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Aluminum hydroxide, alumina

Aluminum hydroxide, alumina

Manage and verify all processes from raw materials to the synthesis of aluminum hydroxide to improve product quality!

■ Aluminum Hydroxide (Aluminium 3, 1 Hydroxide) Raw material for secondary battery anode materials, Raw material for secondary battery separator membrane coating, Raw material for cooling components ■ Alumina (Alumina, Aluminium Oxide) Raw material for secondary battery separator membrane coating, Coating material for secondary battery anode materials, Raw material for ceramic products, raw material for cooling components Both materials maintain high thermal conductivity and high-temperature stability.

  • Chemicals

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Porous aluminum / porous alumina

Porous aluminum / porous alumina

It is a porous aluminum block material with ventilation that does not require drilling.

【Features】 Countless micropores on the surface (Φ 12μm or Φ 15μm, etc.) "Breathable without drilling" ... NC and polishing processing available Porous aluminum plates "METAPORⓇ" and porous alumina plates "METAPORⓇ" are developed and manufactured by Portec Ltd. Since 1995, they have been widely adopted in Europe and North America for applications such as plastic molding molds, non-contact levitation transport devices, and vacuum suction jigs, and recently, similar applications have been expanding in Japan as well.

  • aluminum

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Zirconia Toughened Alumina (ZTA) - Suitable for pump parts and crusher parts.

Zirconia Toughened Alumina (ZTA) - Suitable for pump parts and crusher parts.

A combination of the best features of alumina and zirconia materials! It allows for thin-walled shapes, is easy to achieve surface roughness, and is characterized by excellent thermal shock resistance and chemical stability.

"Zirconia Toughened Alumina (ZTA)" is a composite material consisting of 85% alumina and 15% zirconia, featuring high hardness and wear resistance, excellent thermal shock resistance, chemical stability, as well as high toughness and strength. It allows for easy surface roughness and can be shaped into thin-walled forms. It is suitable for pump components and grinding machine parts. We accept various shapes starting from one piece to meet your technical specifications, so please feel free to contact us. 【Features】 ■ High hardness and wear resistance ■ Excellent thermal shock resistance ■ Improved toughness and strength ■ Chemical stability *For more details, please download the PDF or feel free to contact us.

  • スリーブプランジャー-compressed.jpg
  • ポンプシャフト (1).jpg
  • 高精度クリアランス (1).jpg
  • Composite Materials

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Abrasive (grinding powder) fused alumina/white fused alumina, etc.

Abrasive (grinding powder) fused alumina/white fused alumina, etc.

We will propose the most suitable abrasive material according to your company's usage purposes.

Grinding micro powder A (fused alumina) is a representative artificial abrasive material made by melting alumina ore in an electric furnace. Grinding micro powder WA (white fused alumina) is also a representative artificial abrasive material made by melting in an electric furnace, similar to material A. Grinding micro powder KOA has fused alumina as its main component, and appears as a brown powder that is very tough. Grinding micro powder GC (green silicon carbide) is a representative artificial abrasive material made by firing quartz and coke in an electric furnace. Grinding micro powder CeO2 (cerium oxide) is a typical abrasive used for glass polishing, with various processing targets including flat glass, glass ornaments, quartz, lenses, and photomasks. ● For more details, please download the catalog or contact us.

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The most versatile ceramic is "alumina (Al₂O₃)."

The most versatile ceramic is "alumina (Al₂O₃)."

A representative material of ceramic that is highly versatile and relatively inexpensive.

Alumina refers to aluminum oxide. Due to its high versatility and relatively low cost, it is the most commonly used representative material among ceramics. It has high electrical insulation properties and excels in hardness, compressive strength, wear resistance, and chemical resistance, making it widely used as a mechanical material. Our company primarily uses 99.5% alumina, but we also offer 96% depending on the application. Metallization processing is also possible for alumina substrates. Please contact us for more details. <Features> - A highly versatile material among ceramics - Widely used as a mechanical material due to its excellent hardness, compressive strength, wear resistance, and chemical resistance - High electrical insulation properties and relatively low cost - High heat resistance (approximately 1500°C) and relatively high thermal conductivity. However, it has a high thermal expansion coefficient and is weak against thermal shock.

  • Fine Ceramics

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Alumina (Al2O3 99.5%, 99.8%, 99.9%)

Alumina (Al2O3 99.5%, 99.8%, 99.9%)

Alumina has good electrical insulation properties and is one of the most popular ceramics with a moderately balanced composition. It has high corrosion resistance and excellent plasma resistance.

It is the most popular fine ceramics, available in white or milky white. It comes in purities of 99.5%, 99.8%, and 99.9%. 【Features】 ○ It has been applied to various electrical components early on, taking advantage of its good electrical insulation properties. ○ It is the most affordable among fine ceramics. ○ It has high mechanical strength and excellent corrosion resistance. ○ Due to its excellent plasma resistance, it is ideal for components in CVD and etching equipment. ○ Large products can be manufactured. ● Please refer to the catalog for characteristic values.

  • Ceramics

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Dense alumina 90-99%

Dense alumina 90-99%

It is an ideal material for various sensors, electronic and electrical components, and high-temperature insulating parts.

This is a general-purpose grade of dense alumina with controlled alumina purity, making it a highly cost-effective material. In addition to purity variations such as 92%, 96%, and 98% alumina, there are also color aluminas available in variations like chrome pink, manganese pink, red, dark brown, black, and light blue, allowing for choices tailored to your preferences. With many manufacturers, it offers a wide range of products that accommodate various molding methods, mass production, and prototype processing. It boasts a vast distribution volume as a mass-produced product with versatile characteristics. This product line has been handled by our trading company since its inception, and we can make various proposals in collaboration with our partner factories. **Features** - It has high insulation performance, making it an ideal material for various sensors, electronic and electrical components, and high-temperature insulation parts. - It is rich in wear resistance and has high mechanical strength, making it widely used in structural materials and thread paths for textile machinery. *For more details, please contact us.*

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Abrasive material Alundum A brown fused alumina

Abrasive material Alundum A brown fused alumina

Diamond, second in hardness to silicon carbide! Alumina-based abrasive material.

"Brown Fused Alumina" is an alumina-based abrasive material that is produced by melting bauxite in an electric furnace, followed by slow cooling and crystallization. It has a hardness of 9, making it harder than all materials except diamond and silicon carbide, and is used in grinding cloth, grinding wheels, refractory materials, and thermal spray materials. 【Features】 ■ Alumina-based abrasive material ■ Hardness second only to diamond and silicon carbide ■ Ideal for grinding cloth, grinding wheels, refractory materials, and thermal spray materials *For more details, please refer to the PDF document or feel free to contact us.

  • Other abrasives

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Introducing diamond powder and abrasives all together! Comprehensive catalog available now!

Introducing diamond powder and abrasives all together! Comprehensive catalog available now!

We offer four types: abrasives, diamond powder, bearings, and steel balls! We respond with short delivery times and complete stock preparation! We can provide proposals tailored to our customers' needs.

This catalog is a comprehensive catalog from Masahiro Trading Co., Ltd., which has over 30 years of experience in the import and export trade of abrasives, diamonds, and steel balls. It introduces high-purity abrasives such as "white fused alumina," which has low impurities, as well as "steel balls for ball bearings," used in the rotating parts of various industrial machinery. Please use this for selecting products. [Contents] ■ Abrasives ■ Steel Balls ■ Diamond Powder ■ Bearings *For more details, please refer to the PDF document or feel free to contact us.

  • Other abrasives

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Alumina (Al₂O₃)

Alumina (Al₂O₃)

Overwhelmingly low prices, from mold making to prototyping starting at 100,000 yen! Delivery possible in as little as 2 weeks!

It is an aluminum oxide, a popular material among fine ceramics. Utilized early in electrical products due to its high electrical insulation properties, it features corrosion resistance, wear resistance, and high strength, making it widely used in industrial machine parts. 【Features】 ■ High hardness, wear resistance, high insulation ■ Excellent heat resistance (approximately 1500°C) and high thermal conductivity ■ Other properties include electrical insulation, corrosion resistance, and biocompatibility ■ An inexpensive material among fine ceramics ☆★☆★ Exhibition Information: 'High-Performance Ceramics Exhibition' ☆★☆★ Date: December 5 (Wednesday) - 7 (Friday), 2018 Venue: Makuhari Messe Booth Number: To be determined Please feel free to consult with us during this opportunity. We sincerely look forward to your visit.

  • Ceramics
  • Other machine elements
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