What are Alumina Ceramic Plates
Alumina Ceramic Plates are industrial components crafted from aluminium oxide that undergoes intense heat treatment to achieve their final properties. GALLOP INNOTEK manufactures these plates with a focus on heat resistance and structural durability, making them suitable for numerous challenging environments. Depending on your needs, they can be produced in specific sizes, thicknesses, and surface textures to fit different industrial applications.
Aluminium Ceramic Plates Properties
High hardness: The hardness of GALLOP INNOTEK alumina ceramic plate is second only to diamond, making it highly scratch-resistant and having a long service life.
Strong pressure resistance: GALLOP INNOTEK alumina ceramic plate can withstand significant pressure and load. Even better than many metals. However, it is not as impact-resistant and is prone to breakage.
Insulation: Due to its high resistivity, GALLOP INNOTEK alumina ceramic plates are widely used in the electrical and electronic industries. It can also provide superb insulation for you in high temperatures.
Corrosion Resistance: The GALLOP INNOTEK alumina ceramic plate is chemically stable, and most acids, alkalis, and organic solutions are difficult to corrode. You can use it in harsher environments.
High melting point: You can use GALLOP INNOTEK alumina ceramic plate for a long time at 1200°C or even higher temperatures without deformation or melting.
Thermal conductivity: The GALLOP INNOTEK alumina ceramic plate has a medium thermal conductivity, which is better than most steels and alloys, but significantly lower than high thermal conductivity materials. GALLOP INNOTEK alumina ceramic plate is also related to the concentration of aluminium oxide. The higher the purity you choose, the higher the thermal conductivity will be.
No Water Absorption: GALLOP INNOTEK alumina ceramic plate absorbs almost zero water. You don’t have to worry about it losing performance due to moisture absorption and expansion. It will not oxidise and fail in air and oxygen.
Safety: GALLOP INNOTEK alumina ceramic plate is non-toxic and odourless and will not affect you or the environment.
GALLOP INNOTEK’s alumina ceramic filter plate provides strong thermal resistance and effective filtration for molten metal processing.
Our alumina ceramic liner plate delivers high wear resistance and protects industrial equipment from abrasion and impact.
GALLOP INNOTEK’s ceramic fiber board offers excellent insulation performance and low thermal conductivity for high-temperature applications.
Our thin ceramic sheet is engineered for lightweight, precise applications requiring strong heat and corrosion resistance.
GALLOP INNOTEK’s honeycomb ceramic plate ensures efficient heat exchange and airflow for catalytic and environmental solutions.
Our alumina fiber plate combines insulation and structural stability, ideal for furnace lining and thermal barriers.
GALLOP INNOTEK’s filtering disc plate provides accurate filtration and chemical stability for industrial fluid and gas systems.
Our ceramic foam filter plate features a porous structure that improves molten metal filtration and casting quality.
GALLOP INNOTEK’s ceramic heating plate delivers uniform heat distribution and stable performance for lab and industrial equipment.
Our hexagonal alumina ceramic plate offers strong mechanical durability and high thermal resistance for specialized industries.
GALLOP INNOTEK’s ceramic disc plate is designed with high wear resistance and chemical durability for grinding and filtration uses.
GALLOP INNOTEK’s aluminum oxide alumina ceramic plate delivers exceptional hardness, making it suitable for demanding industrial, electronic, and high-temperature applications.
CR-ALO Alumina Ceramic Plate
How are Alumina Ceramic Plates Made？
Powder Preparation
GALLOP INNOTEK alumina powders are manufactured in different purities according to your product requirements. Sintering additives such as traces of magnesium oxide and silicon oxide are also added to increase the strength of GALLOP INNOTEK alumina ceramic plates and to reduce the sintering temperature. After grinding, the slurry is spray-dried to produce small, homogeneous, spherical agglomerates with good flow properties.
Forming
GALLOP INNOTEK can be formed into slabs by dry pressing, cold isostatic pressing, or casting of the powder into the desired plate shape. In particular, cast moulding enables the production of very thin and uniform alumina ceramic plates. They are mainly used in the electronics industry.
Sintering
Sintering is carried out in high-temperature kilns at temperatures ranging from 1600 to 1800°C to uniformly combine the granular ceramic blanks and form a dense, hard solid. Afterwards, GALLOP INNOTEK is cooled in strict accordance with a set cooling curve to minimize the effect of the cooling rate on the product’s durability.
Finishing
After sintering, the ceramic plates undergo shrinkage and deformation. GALLOP INNOTEK finishes by grinding, polishing, or laser cutting processes to ensure your alumina ceramic plates are of precise dimensions and surface finish. Finally, strict quality inspections are carried out to produce high-quality and high-performance products.
Types of Alumina Ceramic Plates
High Purity Alumina Ceramic Plates
GALLOP INNOTEK offers high-purity alumina ceramic plates with an alumina content of 96% & 99.9% typically. They are characterised by high hardness, high wear resistance, high temperature resistance, high electrical insulation, and light transmission. And used in the electronics industry as integrated circuit substrates and high-frequency insulating materials.
General Alumina Ceramic Plates
GALLOP INNOTEK general alumina ceramic plates are also divided into 99, 96, and 95 ceramics depending on the alumina content.
- GALLOP INNOTE K95 ceramics offer a good combination of properties, making them suitable for use in wear-resistant parts due to their excellent mechanical strength and corrosion resistance.
- GALLOP INNOTE 96 and 95 ceramics are usually doped with talc to improve electrical properties and mechanical strength, and can be sealed with metals such as molybdenum, niobium, and tantalum. You can use them for vacuum device components.
Alumina Ceramic Plate Applications
Alumina Ceramic Plates Used in Electronic Substrates
- GALLOP INNOTEK alumina ceramic plates are used as circuit boards to ensure the reliability of circuits and to provide heat dissipation.
- GALLOP INNOTEK alumina ceramic plates are used to carry IC chips, which are electrically connected by wire bonding. At the same time, the heat generated by the chips is conducted out promptly.
- GALLOP INNOTEK alumina ceramic plates are used in switching power supplies, vacuum circuit breakers, as insulating pillars, insulating bushings, arc baffles, etc. They are designed to maintain stable insulating properties under high voltage.
Alumina Ceramic Plates Used in Wear-resistant Components
- GALLOP INNOTEK alumina ceramic plates for wear-resistant linings deliver extended service life and lower your upkeep costs. They are ideal for lining conveying pipes, hoppers, and ball mills.
- These ceramic plates also serve as guide rings in textile manufacturing, steel wire drawing, and fiber optic production. Their ultra-smooth, wear-resistant surface guards against scratches and offers superior resistance to abrasion.
Alumina Ceramic Plates Used in High-Temperature Equipment
- Use GALLOP INNOTEK alumina ceramic plates as furnace linings, insulation panels, support frames, or heating element mounts—they hold their shape and resist oxidation even at 1200°C, ensuring reliable long-term furnace operation.
- You’ll also find GALLOP INNOTEK alumina ceramics protecting thermocouples and insulating sensor ports, where they guard against corrosion and electrical failure under sustained high temperatures.
- In vacuum environments, these plates perform reliably as insulation supports and thermal barriers. Since they hardly release any gases, even under a vacuum, they help you maintain cleaner and more stable operating conditions.
Alumina Ceramic Plates Used in Military Protection
- GALLOP INNOTEK alumina ceramic plates serve as effective armor in military and protective applications. They can be layered with high-strength fibers such as aramid or ultra-high molecular weight polyethylene to form composite armor that combines notable strength with significantly reduced weight compared to traditional steel armor.
- You will also find these plates integrated into aircraft, ships, and specialized vehicles as protective panels. They offer reliable ballistic protection while reducing overall weight, supporting enhanced mobility and energy efficiency during missions.
Alumina Ceramic Plates in Medical Applications
- GALLOP INNOTEK alumina ceramic plates offer exceptional wear resistance and biocompatibility for medical use. You can rely on them as structural supports for surgical instruments, electrical isolators, and other vital components in your equipment. These plates ensure that your devices operate flawlessly, even in demanding, sterile environments.
- For implant applications, GALLOP INNOTEK’s high-purity alumina plates serve effectively in artificial joints and dental restoration systems. Your patients benefit from the durable, non-reactive nature of these ceramics—these ceramics stay stable within the body, significantly reducing complication risks while delivering lasting comfort and security.
Alumina Ceramic Plates Used in Metallurgy
GALLOP INNOTEK alumina ceramic plates also offer reliable protection if your working conditions involve aggressive chemical media or a highly abrasive environment. It is resistant to strong acids, alkalis, and particulate matter, ensuring the equipment operates reliably for an extended period without damage. As a catalytic carrier or reactor bed liner, it remains stable during complex chemical reactions. You can also use it as a lining for fluid transport pipes, where it effectively reduces wear and corrosion.
Alumina Ceramic Plates Used in Transport
- GALLOP INNOTEK alumina ceramic plates can be used as engine insulation, providing high-temperature insulation and helping to keep the overall structure lightweight and less burdensome for the aircraft.
- GALLOP INNOTEK alumina ceramic plates are used as insulating substrates in photovoltaic inverters, wind power converters, and electric vehicle power modules. It helps electronic components dissipate heat efficiently, increasing the power density and long-term reliability of the equipment.
Alumina Ceramic Thermal & Insulation Planner
Estimate ideal through-thickness thermal resistance, temperature rise and minimum electric field across a ceramic plate.
Planning/reference estimate: Excludes contact resistance, metallization, flatness, dielectric-strength derating, creepage, clearance and standards. Supplier and safety review are required.
Despite its many excellent properties, alumina ceramic plates have some limitations. It is brittle, has low toughness and poor impact resistance. Thermal shock stability is average, and cracking is likely to occur under rapid temperature changes. In addition, alumina ceramics are more difficult to process and relatively expensive to manufacture. Its thermal conductivity, while superior to most common materials, is still inferior to aluminium nitride (AlN), and therefore may appear inadequate in certain very high power dissipation application scenarios.
Alumina, as one of the most cost-effective engineering ceramic materials, has good electrical insulation, wear resistance and mechanical strength, and is one of the most widely used structural ceramics. Aluminium nitride thermal conductivity is significantly better than alumina, about 5-6 times, suitable for high thermal conductivity requirements of the occasion, but the price is higher. Zirconium oxide has better toughness and fracture resistance and is less prone to brittle rupture, but has lower thermal conductivity and higher density.
