In industries where high temperatures are a constant challenge, choosing the right ceramic tubes becomes crucial for efficient heat management and thermal resistance. Ceramic tubes offer exceptional properties such as high melting points, excellent thermal conductivity, and resistance to thermal shocks. Let’s dive into the characteristics of various ceramic materials to help you make an informed decision for your high-temperature applications.


Alumina (Al2O3) Ceramic Tubes:

Alumina ceramic tubes are widely recognized for their excellent thermal stability, mechanical strength, and electrical insulation properties. With a high melting point of approximately 2050°C, alumina tubes are ideal for applications that involve extreme temperatures, such as furnace heating elements, thermocouples, and high-temperature sensors.


Silicon Carbide (SiC) Ceramic Tubes:

Silicon carbide ceramic tubes exhibit exceptional thermal conductivity, high strength, and excellent resistance to corrosion and wear. With a melting point of around 2700°C, SiC tubes are suitable for demanding applications involving aggressive chemical environments and high-temperature processes, including molten metal handling, chemical processing, and semiconductor manufacturing.


Mullite (3Al2O3·2SiO2) Ceramic Tubes:

Mullite ceramic tubes combine high-temperature resistance with low thermal expansion properties, making them ideal for applications that require dimensional stability under extreme heat. With a melting point exceeding 1800°C, mullite tubes find applications in kilns, furnaces, and other thermal processing equipment.

advanced ceramics
ceramic parts

4. Zirconia (ZrO2) Ceramic Tubes:

Zirconia ceramic tubes offer excellent thermal shock resistance, high mechanical strength, and low thermal conductivity. With a melting point of approximately 2700°C, zirconia tubes are suitable for applications that require resistance to thermal cycling, such as plasma spraying, thermal barrier coatings, and gas sensors.


5. Sialon (Si-Al-O-N) Ceramic Tubes:

Sialon ceramic tubes exhibit remarkable high-temperature strength, excellent thermal shock resistance, and superior chemical stability. With a melting point exceeding 1900°C, Sialon tubes find applications in non-ferrous metal casting, molten metal handling, and other demanding thermal environments.

When it comes to high-temperature environments, choosing the right ceramic tubes is essential for effective heat management and thermal resistance. Vhandy Ceramics offers a wide range of ceramic tubes, including alumina, silicon carbide, mullite, zirconia, and Sialon, each with unique properties to meet your specific application requirements. Trust Vhandy Ceramics for reliable solutions that can withstand extreme temperatures and ensure optimal performance in your industrial processes.

We welcome your inquiries and look forward to assisting you in selecting the most suitable ceramic tubes for your high-temperature applications. Contact us today!


Can you provide samples for me to test? How much does it cost?

We strive to provide ceramic samples that closely meet your requirements to the best of our abilities.
The samples are completely free, but you need to pay the freight.
For samples with unique shapes that require custom molds, we are open to discussing the mold cost in order to accommodate your specific needs.

We don’t know which material of ceramic we need, what should we do?

No worries! Please provide us with more details about your requirements, such as the intended use, desired properties, and any specific characteristics you're looking for.

With these information, our team can guide you in selecting the most suitable ceramic material for your needs.

We are concerned about the quality of the product we ordered.

We understand your worries and we maintain stringent quality control standards as following:

Test Standard Testing Dimension Pass Rate Standard Range
Appearance Inspection Quantity and Severity of Defects ≥ 97.3% Determined by AQL standard
Dimensional Inspection Size Accuracy and Consistency ≥ 98.1% Determined by ISO 9001 standard
Density Testing Material Density ≥ 97% Determined by ASTM C20 standard
Hardness Testing Surface Hardness ≥ 98.2% Determined by ISO 6508 standard
Flexural Strength Testing Material Flexural Strength ≥ 97.9% Determined by ASTM C1161 standard
Thermal Shock Stability Testing Material Thermal Shock Stability ≥ 98.7% Determined by ASTM C884 standard

*Qualification standards higher than ISO standards

In addition to production line inspections, we also accept inspections from third-party organizations several times a month

While the occurrence of defects is extremely rare, it is an unavoidable possibility. If any quality issues arise, we take full responsibility and will expedite the reproduction process at cost price.

Our commitment is to ensure that our products meet the highest quality standards and promptly address any concerns to ensure customer satisfaction.

What is the processing accuracy of ceramics?

Precision Requirement Example Unit
Surface Flatness Ra ≤ 0.1 μm μm
Dimensional Accuracy Tolerance within tens of μm μm
Aperture Precision Diameter tolerance within a few hundred μm μm
Surface Finish Ra ≤ 0.2 μm μm

We maintain strict processing precision standards, ensuring that our products meet the majority of requirements using our standard manufacturing processes.

However, if you have a need for even higher precision products, please feel free to contact us.

We can discuss your specific requirements and explore customized solutions to meet your exacting standards.

What's your trade terms?

We prefer EXW, FOB and CIF as for terms.
T/T, West Union,30% deposit, 70% balance paid before delivery are greatly appreciated.

How long does your production take?

Q: What is the typical production lead time for Vhandy Ceramics?
A: The typical production lead time for Vhandy Ceramics is 15 to 20 days.

Q: Are there any situations where the actual delivery time may be longer?
A: Yes, in certain cases, such as shipping to distant countries, the actual delivery time may be extended beyond the standard range.

Q: What factors can contribute to longer delivery times?
A: Factors such as customs clearance procedures, transportation logistics, and international shipping arrangements can contribute to longer delivery times.

Q: How does Vhandy Ceramics handle potential delays?
A: Vhandy Ceramics strives to minimize potential delays and works closely with shipping partners to expedite the process whenever possible.

Q: Can I get an accurate delivery estimate for my order?
A: Yes, our customer service team can provide you with an estimated delivery time based on your specific order and location. They will also keep you informed throughout the production and shipping process.


*Your contact won’t be shared with 3rd party.

    Shenyang Vhandy Technology Co., Ltd.

    Room 401, D11 Block (Shenyang International Software Park), Shenyang, Liaoning, China



    Powered by TranslatePress