High Thermal Conductivity Zirconia Toughened Alumina Ceramic Sleeves

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Product Overview


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Product Name
High Thermal Conductivity Zirconia Toughened Alumina Ceramic Sleeves
Payment Item
T/T,Western Union,Online payment by credit card are available
It's widely used for industry
Air transport: 5-10 days; Ocean shipping: About one month.
Delivery Time
1.Stock:delivery within 3-5 days after receiving your payment.
2. OEM/ODM:The normal Lead time is 15-45 days, which depends on your quantiy.

Zirconia ceramic sleeve

Zirconia Ceramic material is characterized by high hardness, insulation, wear resistant, high temperature resistant and thermal
shock resistant. And all kinds of customized ceramic substrate are available in customized requirement.

It has a varity of advantages, such as chemical erosion resistance,high temperature resistance, high strength, good thermal shock resistance and so on.

Technical Data

Test Condition
 Zirconia Ceramic
The main Chemical Ingredient
Bulk Density
Maximum Use Temperature
Water Absorption
ROHS Hardness
Compressive Strength
Fracture Toughness
Coefficient of Thermal Expansion
Thermal Shock Resistance
Volume Resistivity




Here are CE & RoHs certificates and test reports ,they are only for a part of products.


We have applied for more than 20 patents, including 11 authorized patents and 3 invention patents

Our Company

Lianyungang Highborn Technology Co.,Ltd

Based on quartz and ceramics, after more than 20 years development, Highborn Group has grown up to a modern enterprise in research, manufacture, processing and sales. We are mainly supplying quartz glass, cuvette, precise ceramics, porous ceramics, thick film resistor, ozone generator, metal fiber felt and we have been offering our products and services to our clients from more than 103 countries or regions.

Highborn Group is paying great attention to the product quality and technology research all the time. We have passed ROHS, CE, MSDS tests and also the ISO9001 authentication. We have 8 registered trademark and 25 patents. Also in 2020, we won the title of China High-tech Enterprise and Jiangsu Private Science and Technology Enterprises.

We can offer not only qualified products, we can also supplying quality service including design, development, export and after sales. With our professional skills, advanced technology and quality material, we can design and develop new products or new applications according to the clients’ expectation. We have custom-made new products and promoted the specifications for more than 1000 clients, and we have gotten good reputation from our clients.

Packing & Delivery


Q:What products and service can you offer us?

A: With the development more than 20 years, now we have 6 business division and we are supplying Quartz Glass (Tube, Rod, Plate and customized parts), optical glass and cuvette, and also various precise ceramics, porous ceramics and refractory ceramics. We have the full processing line for ceramic thick film resistors, far infrared ceramic glass heating panel, quartz tube/ceramic plate ozone generator and porous metal fiber felt. For all the products, we can design and customize according to the clients’ demand.

Q: Before mass order, can you offer samples? How will you charge for them?

A: We are willing to offer samples to lower your purchasing risk. Generally, if from inventory, we can deliver out within 3days, however if need processing, we can deliver out within 15days. For some difficult items, the delivery time will be decided by its grade of difficulty. For some low value items, we can offer free sample, however we would like you to afford the freight cost. For customized products, we need to charge the developing cost.

3: What test report or certificate can you offer? What achievements have you made in research and development?

A: Till the end of 2021, we have passed many ROHS, CE, MSDS tests and also the ISO9001 authentication. We have 8 registered trademark and 25 patents. Also we won the title of China High-tech Enterprise and Jiangsu Private Science and Technology Enterprises.

Q Do you have any agent in our area? Can you export your products directly?

A: Till the end of 2021, we haven’t authorized any company or person as our regional agent. From 2008, we have the export qualification and professional export team, and till the end of 2021, we have exporting our products to more than 103 countries and regions, and our clients can contact us and purchase our products or service directly.

5: If the quality can not meet the requirement or any loss during the freight, how should we do?

A: We have strict QC test and professional QC team. We are always offering qualified products. If anything goes wrong, the quality can not meet requirement on the contract, we will reproduce the qualified products or refund the payment. We have the professional packing team and will pack the product in safe package for long distance delivery. If any loss during the freight, we hope you can assistant us to claim from the logistics company and we will arrange the replacement accordingly.

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