Refractory Ceramics

Your Professional Refractory Ceramics Supplier

Superior Ceramics Times Technology Co., Ltd. is a manufacturer specializing in the production of advanced ceramic materials, including nitrides, oxides, carbides, and composite ceramics. Our product portfolio encompasses silicon carbide, aluminum nitride, alumina, ultrapure alumina, yttria, zirconia, high-purity and high-performance boron nitride ceramics, zirconia toughened alumina (ZTA), alumina toughened zirconia (ATZ), silicon nitride, as well as other reinforced, composite, and high-performance ceramic materials.

Advanced Production Technology

The company employs advanced manufacturing technologies, including sintering, molding, grinding, CNC machining, laser drilling, precision grinding, and polishing processes.

Complete Production Equipment

Key production equipment includes sintering furnaces, isostatic presses, grinders, engraving machines, laser cutters, double-sided grinding machines, sand wire cutting devices, and injection molding machines.

Professional R&D Team

Our team consists of experienced experts dedicated to researching advanced ceramic materials. To date, the team has published over 100 academic papers, filed five Chinese invention patents, and obtained more than 20 utility model patents.

Professional Service

The product has technical support from Ph.D. experts and other experts during the research and development stage. The process is rigorous during the production process, and the after-sales service is on call 24 hours a day.

$Silicon Carbide Combined With Silicon Nitride Ceramics Refractory Board$

Silicon Carbide Combined With Silicon Nitride Ceramics Re...
The silicon carbide combined with silicon nitride ceramic refractory board exhibits excellent corrosion resistance, thermal shock resistance, thermal conductivity, and mechanical properties. Known...
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Silicon Carbide Combined With Silicon Nitride Ceramic Cru...
Silicon carbide combined with silicon nitride ceramic brittle is a high-performance structural ceramic material made from high-purity SiC and Si powders as raw materials, which are injected into...
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Silicon Nitride Combined Silicon Carbide Ceramic Plate
Silicon nitride combined silicon carbide ceramic plate is a new material with high hardness, good high-temperature strength, low thermal expansion coefficient, high thermal conductivity, strong...
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Silicon Carbide Skeleton
The Silicon Carbide Skeleton is a remarkable component with distinct properties and various applications.Silicon carbide is known for its exceptional hardness, high thermal conductivity, and...
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Ceramic Firing Plate
Ceramic firing plates offer excellent heat resistance. They can withstand extremely high temperatures without deforming or cracking, making them suitable for use in kilns and furnaces....
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Parameter

Number	Performance	Unit
			Silicon Carbide	Silicon Carbide	Silicon Carbide 99%
			SiSiC	SiC	RSIC
1	Density	g/cm3	3.05	3.0-3.1	3.1~3.25
2	Flexural strength	MPa	250	450～500	400
3	Fracture toughness	MPa·m1/2	4	4	3
4	Dielectric constant	εr(20℃,1MHz)	9~10	9~10	29
5	Hardness	GPa	20	24	22-28
5	Hardness	HRC	85	87	85-92
6	Volume resistivity	Ω·cm(20℃)	10-2~1012	10-2~103	10-2~106
7	Elastic modulus	GPa	330	440	≥250
8	Coefficient of thermal expansion	×10-6/k	4.5	4.1	4.7
9	Compressive strength	MPa	550	2500	700
10	Abrasions	g/cm2	0.01	0.01	0.01
11	Thermal conductivity	W/m×k(20℃)	45	84	40
12	Poisson's ratio	/	0.16	0.16	0.16
13	Insulation strength	kv/mm		100	70
14	Temperature	℃	1380	1600	1750

Types of Refractory Ceramics

The refractory ceramics produced by our company mainly include the following types:

Silicon Nitride Combined Silicon Carbide Ceramic Plate

Silicon nitride combined silicon carbide ceramic plate is a new material with high hardness, good high-temperature strength, low thermal expansion coefficient, high thermal conductivity, strong creep resistance, corrosion resistance, good thermal shock resistance, oxidation resistance, and other characteristics.

Ceramic Firing Plate

Ceramic firing plates offer excellent heat resistance. They can withstand extremely high temperatures without deforming or cracking, making them suitable for use in kilns and furnaces.

Silicon Carbide Skeleton

The Silicon Carbide Skeleton is a remarkable component with distinct properties and various applications.Silicon carbide is known for its exceptional hardness, high thermal conductivity, and excellent chemical resistance.

Advantages of Refractory Ceramics

Exceptional Heat Resistance
Heat resistance is one of the main benefits of refractory ceramic. They can withstand temperatures higher than 1,500 degrees Celsius. For sectors like metallurgy, ceramics, and petrochemicals, this quality is essential.

Superior Insulation Properties
Ceramic refractory bricks offer superior insulation. When operating at high temperatures, they reduce heat loss. This efficiency results in less energy being used. As a result, companies may drastically cut their operating expenses.

Versatility in Applications
There are several uses for these bricks. They are used in boilers, kilns, and furnaces. They may be used in a variety of sectors due to their versatility. Applications range widely, from smelting iron to making glass. Every industry gains from its distinct qualities.

Chemical Resistance
Refractory ceramic provide exceptional resistance to chemicals. They are resistant to deterioration in corrosive situations. This attribute is especially crucial for companies handling acids or alkalis. These bricks' long-lasting nature guarantees long-term functionality.

Structural Stability
There is great structural stability provided by these bricks. Even in extremely hot temperatures, they keep their form. For different installations to be safe, this stability is essential. The reliable functioning of these bricks is essential to several industries.

Environmental Friendliness
Eco-friendly materials are refractory ceramic. Natural resources can be utilised in their production. Sustainability is emphasised in the production processes of several enterprises. Because these bricks may be recycled, waste is decreased.

Cost-Effectiveness
Purchasing refractory ceramic ends up being a wise financial decision over time. The less often they need to be replaced, the longer they last. The savings are significant even though the initial investment could have been larger.

Enhanced Performance in High-Temperature Operations
The performance of these bricks is enhanced in high-temperature activities. They enable the highest possible thermal efficiency. Higher operating temperatures are possible for industries without sacrificing security. More productivity follows from improved performance.

Easy Installation and Maintenance
Installing refractory ceramic is not too difficult. Their low weight makes handling them easier when building. Because it's so simple to install, labour expenses may go down. They are very easy to maintain because of their longevity. Inspections regularly can spot such problems early.

Applications of Refractory Ceramics

Silicon Nitride Combined Silicon Carbide Ceramic Plate

Aerospace Industry

In the aerospace industry, refractory ceramics are used for:
Rocket Nozzles: Materials like carbon-carbon composites and silicon carbide-based ceramics are used due to their high thermal resistance and mechanical strength.
Heat Shields: Refractory ceramics protect spacecraft from the intense heat generated during re-entry into the Earth's atmosphere.

Energy Industry

The energy industry relies on refractory ceramics for:
Furnace Linings: Refractory ceramics line furnaces used in power generation, waste incineration, and other processes, protecting the furnace structure from high temperatures.
Heat Exchangers: Some refractory ceramics are used in heat exchangers due to their ability to withstand high temperatures and corrosive environments.

Construction Industry

In the construction industry, refractory ceramics are used for:
Refractory Linings: Kilns and furnaces used in the production of cement, steel, and glass are lined with refractory ceramics to protect the structural integrity of these vessels.
Kiln Furniture: Refractory ceramics are used to make kiln furniture such as setters and saggers, which are used to support ceramic products during firing.

Advanced Materials for Refractory Ceramics

Ceramic Matrix Composites

Ceramic matrix composites (CMCs) are a class of advanced materials that combine the benefits of ceramics and composites. CMCs consist of a ceramic matrix reinforced with ceramic fibers, particles, or whiskers. The properties of CMCs can be tailored by varying the type and amount of reinforcement, as well as the matrix material.

Ultra-High Temperature Ceramics

Ultra-high temperature ceramics (UHTCs) are a class of materials that can withstand extremely high temperatures (>2000°C) in oxidizing environments. Some common UHTCs include:
ZrB2: Zirconium diboride is a UHTC that offers high melting point, strength, and resistance to oxidation.
HfB2: Hafnium diboride is another UHTC that offers similar properties to ZrB2.

Other Advanced Materials

Other advanced materials being explored for refractory ceramics include:
SiC: Silicon carbide is a semiconductor material that offers high thermal conductivity, strength, and resistance to corrosion.
Al2O3: Aluminum oxide is a widely used ceramic material that offers high hardness, strength, and resistance to corrosion.
ZrO2: Zirconium oxide is a ceramic material that offers high strength, toughness, and resistance to thermal shock.

Customization Process

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Packaging and Shipping

Packaging	The package of our products usually includes bubble wrap, carton, pallet and wooden case, etc. Also it can be designed according to your demands.
Shipping	We will help you to choose the best shipping way according to your detail requirements. By sea, by air, or by express, etc.

Our Factory

Superior Ceramics Times Technology Co., Ltd. was established in 2005 and has several production plants in Taizhou, Shaoxing, etc. We also have a registered company in the United States, located at 10 ROBIN, IRVINE, CA 92604.

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Our Certificates

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FAQ

Q: What are refractory ceramics?

A: Refractory ceramics are high-performance ceramic materials designed to withstand extreme temperatures (often >1500°C), chemical corrosion, and thermal shock. They maintain structural integrity and mechanical properties in harsh high-temperature environments, widely used in industrial furnaces, aerospace, and energy sectors.

Q: Which of the following are desirable characteristics of refractory ceramics?

A: Desirable characteristics of refractory ceramics include being unreactive in severe environments, withstanding high temperatures, maintaining high strength, and being thermally insulative.

Q: Are ceramic plates fire safe?

A: Yes, ceramic plates are generally fire-safe in the sense that they are made of materials that do not burn or melt easily. They are created by firing clay at high temperatures, which makes them heat-resistant. However, they can still break due to thermal shock if exposed to rapid temperature changes.

Q: What is the role of refractory ceramics in aerospace?

A: They serve as thermal protection systems (TPS) for spacecraft re-entry, nozzle throats for rocket engines, and heat shields, enduring temperatures up to 2500°C.

Q: How do refractory ceramics withstand thermal shock?

A: Refractory ceramics with low thermal expansion coefficients (e.g., SiC, cordierite) and porous structures reduce stress from rapid temperature changes, preventing cracking.

Q: What is the difference between refractory ceramics and traditional refractories?

A: Refractory ceramics have higher purity, denser microstructures, and superior mechanical properties than traditional refractories (e.g., fireclay bricks), making them suitable for more demanding high-temperature applications.

As one of the most professional refractory ceramics manufacturers and suppliers, we're featured by quality products and good price. Please rest assured to buy high-grade refractory ceramics from our factory.

ceramic saggar, ceramic firing plate