Refractory / High Temperature Materials Ceramic Powders and Precursors

Alumina ceramic rods have high hardness and excellent wear resistance, making them less susceptible to damage from friction or usage. Additionally, they can maintain their superior mechanical and insulating properties at high temperatures, and are chemically inert, meaning they are not corroded by... [See More]

• Applications: Refractory or High Temperature Insulation; Chemical or material processing; Corrosion resistant; HV / Electrical; Wear resistant parts or tooling
• Density: 3.6 to 3.95

• Material Type: Alumina
• Max Use Temperature: 1500 to 1650

Alumina ceramic tubes are made of high-purity alumina materials that have exceptional characteristics like high temperature resistance, wear resistance, and chemical stability, etc., and are extensively utilized in a wide range of industries. [See More]

• Applications: Refractory or High Temperature Insulation; Chemical or material processing; Corrosion resistant; HV / Electrical
• Density: 3.6 to 3.95

• Material Type: Alumina
• Max Use Temperature: 1500 to 1650

Alumina plate is widely used because of its excellent performance and relatively low cost. It can still maintain insulation performance and high strength without deformation in high temperature environment. Moreover, it ’s harder and more abrasion resistant than metals. [See More]

• Applications: Refractory or High Temperature Insulation; Corrosion resistant; HV / Electrical
• Density: 3.6 to 3.95

• Material Type: Alumina
• Max Use Temperature: 1500 to 1650

Alumina sheet is manufactured of 95%, 96%, 99%, or 99.8% high-purity alumina. It has a wide range of advantageous properties, making it a versatile ceramic material for a variety of industrial applications. Due to their resistance to high temperatures, superior mechanical strength, electrical... [See More]

• Applications: Optical Grade; Refractory or High Temperature Insulation; Chemical or material processing; Corrosion resistant; Electronics or semiconductors; HV / Electrical
• Density: 3.6 to 3.95

• Material Type: Alumina
• Max Use Temperature: 1500 to 1650

Alumina tube is a non-porous ceramic tube that is formed of 95%, 99%, or 99.8% alumna material. As a result of its remarkable thermal, mechanical, and chemical characteristics, it is a preferred option in various sectors. Its resistance to high temperatures, abrasion, and corrosion, as well as its... [See More]

• Applications: Refractory or High Temperature Insulation; Corrosion resistant; HV / Electrical; Thermal Insulation or Fire Proofing Material
• Density: 3.6 to 3.95

• Material Type: Alumina
• Max Use Temperature: 1500 to 1650

Aluminum oxide ceramic is a high-performance ceramic material, also known as alumina ceramic material. Composed of high-purity alumina powder, this non-metallic material is manufactured via pressing, molding, sintering, and other processes. According to the alumina content, it is classified as 92... [See More]

• Applications: Refractory or High Temperature Insulation; Biomaterial; Chemical or material processing; Corrosion resistant; Electronics or semiconductors; HV / Electrical
• Density: 3.6 to 3.95

• Material Type: Alumina; Silicon Carbide; Tungsten Carbide; Silicon Nitride
• Max Use Temperature: 1200 to 1650

Boron nitride crucibles produced by hot-pressing process provide exceptional properties for high-temperature applications. They are essential instruments in the fields of metallurgy, ceramics, and materials research because of their thermal stability, chemical resistance, and electrical insulating... [See More]

• Applications: Refractory or High Temperature Insulation; Chemical or material processing; Corrosion resistant
• Density: 1.55 to 3

• Material Type: Boron Nitride
• Max Use Temperature: 900 to 2000

Unipretec provides standard and custom hot-pressed boron nitride plate products. The hexagonal boron nitride plates are manufactured at high temperatures and pressures. In addition to pure 99% BN plates, we also offer BN composite materials that contain zirconia, alumina, and aluminium nitride to... [See More]

• Applications: Refractory or High Temperature Insulation; Corrosion resistant; HV / Electrical
• Density: 1.55 to 3

• Material Type: Boron Nitride
• Max Use Temperature: 900 to 2000

Boron nitride tube, also known as BN tube, possesses exceptional properties such as high thermal conductivity, thermal stability, electrical insulation, and chemical inertness. These characteristics make it advantageous for a vast variety of applications, including heat management, electrical... [See More]

• Applications: Refractory or High Temperature Insulation; Chemical or material processing; Corrosion resistant; HV / Electrical; Wear resistant parts or tooling
• Density: 1.55 to 3

• Material Type: Boron Nitride
• Max Use Temperature: 900 to 2000

Ceramic structural balls are typically used in bearings and have a supporting function. Ceramic bearing balls are a crucial component of deep groove ball bearings, angular contact bearings, self-aligning ball bearings, thrust ball bearings, etc. [See More]

• Applications: Refractory or High Temperature Insulation; Chemical or material processing; Corrosion resistant; HV / Electrical
• Density: 3.2 to 6

• Material Type: Alumina; Silicon Carbide; Tungsten Carbide; Silicon Nitride; Zirconia
• Performance Features: Hard

Ceramic components are manufactured of ceramic materials, which are an extensive family of inorganic, non-metallic compounds typically consisting of metal, non-metal, and metalloid elements. The exceptional properties exhibited by ceramics, such as their high hardness, low electrical conductivity,... [See More]

• Applications: Refractory or High Temperature Insulation; Abrasion Resistant; Armor / Ballistic Protection; Biomaterial; Corrosion resistant; Electronics or semiconductors; HV / Electrical; Thermal Insulation or Fire Proofing Material; Wear resistant parts or tooling
• Performance Features: Hard

• Material Type: Alumina; Glass Ceramics; Silicon Carbide; Tungsten Carbide; Cordierite; Porcelain; Steatite; Aluminum Nitride; Silicon Nitride; Zirconia

Ceramic setters, also known as kiln setters, are devices used in the manufacture of powders, ceramic and metal parts within a kiln during the firing process. Typically, they are made of ceramic materials that can endure high temperatures and thermal cycles within the kiln. They are engineered to... [See More]

• Applications: Refractory or High Temperature Insulation; Chemical or material processing; HV / Electrical

• Material Type: Alumina; Boron Nitride

Ceramic tubes are mainly composed of alumina, zirconia, silicon nitride and other ceramics. They provide excellent high temperature resistance, mechanical strength, electrical insulation, wear and corrosion resistance, etc., making them indispensable components in numerous industrial applications. [See More]

• Applications: Refractory or High Temperature Insulation; Chemical or material processing; Corrosion resistant; Electronics or semiconductors; HV / Electrical; Wear resistant parts or tooling

• Material Type: Alumina; Silicon Nitride; Zirconia

Machinable ceramics are a type of polycrystalline composite phase material, which is a glass-ceramic with synthetic mica crystallites as the principal crystal phase. Machinable glass ceramics, commonly known as Macor, are a multifunctional material that combines the features of glass and ceramics. [See More]

• Applications: Optical Grade; Refractory or High Temperature Insulation; Chemical or material processing; Corrosion resistant; HV / Electrical; Structural; Thermal Insulation or Fire Proofing Material
• Density: 2.4 to 2.5

• Material Type: Glass Ceramics; Silicate / Clay
• Max Use Temperature: 800 to 1000

Silicon nitride balls, also referred to as Si3N4 ceramic balls or simply ceramic balls, are produced to provide excellent performance in demanding applications requiring high precision, durability, and resistance to wear, corrosion, and extreme temperatures. [See More]

• Applications: Refractory or High Temperature Insulation; Corrosion resistant
• Density: 3.2 to 3.3

• Material Type: Silicon Nitride
• Max Use Temperature: 1000 to 1200

Silicon nitride rod possesses superior mechanical and thermal characteristics, is chemically inert, and can be extensively used in a wide range of demanding working conditions requiring long-term durability. [See More]

• Applications: Refractory or High Temperature Insulation; Chemical or material processing; Corrosion resistant; HV / Electrical; Wear resistant parts or tooling
• Density: 3.2 to 3.3

• Material Type: Silicon Nitride
• Max Use Temperature: 1000 to 1200

Silicon nitride tubes have outstanding mechanical and thermal characteristics, as well as excellent chemical stability, allowing them to withstand demanding working environments where metal or polymer materials are unbearable. [See More]

• Applications: Refractory or High Temperature Insulation; Chemical or material processing; Corrosion resistant; HV / Electrical; Wear resistant parts or tooling
• Density: 3.2 to 3.3

• Material Type: Silicon Nitride
• Max Use Temperature: 1000 to 1200

Zirconia ball, also known as zirconium oxide ball, is a kind of ceramic ball made of zirconium dioxide (ZrO2) material. Zirconia is a material that is incredibly durable and wear-resistant, making it perfect for applications that need great performance and long service life. Zirconia balls are... [See More]

• Applications: Refractory or High Temperature Insulation; Chemical or material processing; Corrosion resistant
• Density: 5.95 to 6

• Material Type: Zirconia
• Performance Features: Hard

Zirconia plates are extensively used in a variety of industries because of their superior mechanical, thermal, and chemical characteristics. The plates are made of zirconium dioxide, which is a ceramic material known for its great strength, toughness, wear and corrosion resistance, and can withstand... [See More]

• Applications: Refractory or High Temperature Insulation; Corrosion resistant; HV / Electrical
• Density: 5.95 to 6

• Material Type: Zirconia
• Performance Features: Hard

Zirconia tubes can be made from either partially stabilized zirconia or fully stabilized zirconia. PSZ is the yttria or magnesia partially stabilized zirconia, whereas FSZ is the yttria or ceria fully stabilized zirconia. UNIPRETEC primarily manufactures yttrium partially stabilized zirconia tubes. [See More]

• Applications: Refractory or High Temperature Insulation; Abrasion Resistant; Chemical or material processing; Corrosion resistant; HV / Electrical; Wear resistant parts or tooling
• Density: 5.95 to 6

• Material Type: Zirconia
• Performance Features: Hard

Zirconium oxide, also spelt zirconia (ZrO2), is a type of versatile and high-performance ceramic material. It exhibits outstanding mechanical, thermal, and chemical properties, making it suitable for a vast variety of applications. [See More]

• Applications: Refractory or High Temperature Insulation; Biomaterial; Chemical or material processing; Corrosion resistant; Electronics or semiconductors; HV / Electrical; Wear resistant parts or tooling
• Density: 5.95 to 6

• Material Type: Zirconia
• Performance Features: Hard