Overview of High Temperature Resistant and Insulation Boron Nitride Ceramic

High Temperature Resistant and Insulation Boron Nitride Ceramic ceramics are a class of advanced technical ceramics, often referred to as “white graphite.” They are renowned for their unique combination of properties, including high thermal conductivity, excellent electrical insulation, and outstanding thermal shock resistance. Available in various forms such as hot-pressed solids, coatings, and composites, BN ceramics are critical in demanding applications across aerospace, electronics, and metallurgical industries.

Features of High Temperature Resistant and Insulation Boron Nitride Ceramic

• High Thermal Conductivity: Offers excellent heat dissipation, similar to metals, while maintaining electrical insulation.

• Excellent Thermal Shock Resistance: Withstands extreme and rapid temperature changes without cracking.

• Superior Electrical Insulation: Maintains high resistivity even at elevated temperatures.

• Low Dielectric Constant and Loss: Ideal for high-frequency and microwave applications.

• Good Chemical Inertness: Resists attack from most molten metals, slags, and salts.

• Non-wetting and Non-reactive: With many molten metals like aluminum and copper.

• High Temperature Stability: Can be used in inert or vacuum atmospheres up to 3000°C.

• Machinability: Can be precision-machined into complex shapes using conventional tools, unlike many other advanced ceramics.

Specifications of High Temperature Resistant and Insulation Boron Nitride Ceramic

Boron nitride ceramic handles heat well. It works fine up to 1000 degrees Celsius in air. It works even hotter, over 2000 degrees, in vacuum or inert gas. This material stops electricity. It is a strong insulator. Boron nitride conducts heat well. It moves heat quickly away from hot spots. This helps prevent overheating. It does not react easily with many chemicals. Acids and molten metals usually don’t affect it. This makes it durable in tough places. Boron nitride has a slippery surface. Parts slide easily against it. This reduces wear. It comes in different forms. You can get tubes, plates, rods, and custom shapes. Its color is usually white or off-white. The material is also light for a ceramic. It has low density. Boron nitride is safe. It contains no harmful fibers like asbestos. People use it in furnaces, crucibles, and electrical insulators. It is good for heat spreaders too. Its thermal shock resistance is high. This means it handles sudden temperature changes without breaking. Boron nitride offers low friction. This is useful for bearings and seals. The ceramic is machinable. You can machine it to precise sizes and shapes. It performs reliably in demanding applications.

Applications of High Temperature Resistant and Insulation Boron Nitride Ceramic

Boron nitride ceramic stands out for its ability to handle extreme heat. It works well even beyond 2000 degrees Celsius in air. This makes it perfect for demanding high-temperature jobs. It also handles sudden temperature changes without cracking. This reliability is crucial in tough environments.

Its electrical insulation is another major plus. Boron nitride ceramic doesn’t conduct electricity. This feature is vital for many uses. It safely separates electrical parts even under intense heat. It’s a top choice for insulating parts in high-power radio frequency devices.

The material spreads heat well in one direction. This helps manage heat effectively. Boron nitride ceramic parts cool hot spots efficiently. They are found in heat spreaders and sinks for powerful electronics. These parts prevent overheating in lasers and other sensitive gear.

Chemical stability is another key benefit. Boron nitride ceramic fights off most chemicals. It doesn’t react easily with acids or molten metals. This resistance is essential for handling harsh substances. Crucibles and tubes made from it last longer when processing molten metals.

Its non-wetting nature is important too. Molten metals don’t stick to its surface. This property simplifies pouring and shaping metals. Foundries use boron nitride ceramic components for aluminum processing. They help create clean metal parts.

The material performs well under pressure at high temperatures. It keeps its shape and strength. Furnace fixtures rely on this strength. Boron nitride ceramic supports hold items securely during heat treatment. They endure the furnace conditions without failing.

Boron nitride ceramic serves as a dependable barrier. It stops molten metal from damaging other furnace parts. Its inertness prevents unwanted chemical reactions. This protects expensive equipment during metal casting operations.

Company Profile

Tanki New Materials Co.Ltd. focus on the research and development, production and sales of ceramic products, serving the electronics, ceramics, chemical and other industries. Since its establishment in 2015, the company has been committed to providing customers with the best products and services, and has become a leader in the industry through continuous technological innovation and strict quality management.

Our products includes but not limited to Aerogel, Aluminum Nitride, Aluminum Oxide, Boron Carbide, Boron Nitride, Ceramic Crucible, Ceramic Fiber, Quartz Product, Refractory Material, Silicon Carbide, Silicon Nitride, ect. please feel free to contact us.

Payment Methods

T/T, Western Union, Paypal, Credit Card etc.

Shipment Methods

By air, by sea, by express, as customers request.

5 FAQs of High Temperature Resistant and Insulation Boron Nitride Ceramic

What is boron nitride ceramic’s highest usable temperature?
Boron nitride ceramic works well in extreme heat. It handles temperatures up to 3000°C in vacuum or inert gas. In air, it withstands about 900°C before oxidizing. This makes it great for very hot furnace parts.

Can boron nitride ceramic handle sudden temperature changes?
Yes, it handles thermal shock very well. It cools down or heats up fast without cracking. This property is vital for parts moving between hot and cold zones quickly.

Is boron nitride ceramic a good electrical insulator?
Boron nitride ceramic is an excellent electrical insulator. It prevents electricity from flowing even at high temperatures. This is crucial in electrical applications needing heat resistance.

Does boron nitride ceramic conduct heat well?
Boron nitride ceramic transfers heat effectively in one direction. It moves heat along its surface easily. This makes it useful for heat sinks and thermal management parts.

Is boron nitride ceramic resistant to chemicals?
Boron nitride ceramic resists many molten metals and salts. It doesn’t react easily with most chemicals. This stability helps in harsh industrial settings like metal casting.