banner
Home news

Ceramic insulator made by mullite ceramic

Ceramic insulator made by mullite ceramic

July 30, 2026

Mullite Ceramic Insulator

 

This insulator is fabricated from high-quality mullite ceramic (3Al₂O₃·2SiO₂), a premium aluminosilicate technical ceramic material. It is produced via powder forming, high-temperature sintering and precision machining to serve as insulating structural components for high-temperature electrical and industrial equipment.

 

Main Performance Characteristics

 

1. Reliable Electrical Insulation

It maintains stable dielectric properties at ambient and elevated temperatures, effectively preventing electric leakage and short-circuit risks for electronic assemblies, sensors and heating elements.

 

2. Excellent High-Temperature Stability

Mullite ceramic sustains long-term service at 1300~1450°C. Low thermal expansion coefficient ensures outstanding thermal shock resistance, resisting cracking under repeated rapid heating and cooling cycles.

 

3.  Good Chemical Inertness

Resistant to oxidation, weak acid and alkali corrosion. It will not react with most gases and molten substances, avoiding contamination in harsh working environments.

 

4. Low Thermal Conductivity

Apart from electrical insulation, it also provides thermal barrier performance, reducing heat conduction between components.

 

5. Cost-Effective Solution

Compared with high-purity alumina ceramic insulators, mullite ceramic achieves balanced insulation and thermal performance with better economic benefits.

 

Application Fields

 

• Thermocouple insulating tubes and supports

 

• High-temperature sensor insulation parts

 

• Industrial furnace heating element brackets

 

• High-voltage electrical insulating fittings

 

• Welding, brazing positioning insulation components

 

• Laboratory high-temperature fixture insulators

 

Custom shapes including tubes, washers, rods, plates and special profiles are available according to customer drawings

 

Yixing Shenxing Technology Co., Ltd.

Phone/WeChat/WhatsApp: 008618018373518

Email:   yxshenxing88@vip.163.com

Teams:  siri shenxing ceramic

 

leave a message

leave a message
If you are interested in our products and want to know more details,please leave a message here,we will reply you as soon as we can.
submit

home

products

WhatsApp

Contact Us

Leave A Message
Leave A Message
If you are interested in our products and want to know more details,please leave a message here,we will reply you as soon as we can.
submit