High Precision Alumina Ceramic Insulator for Heating Devices

• Customization: Available
• Application: Aerospace Industry, Automotive Industry, Electrical Industry, Electronic Industry, Power Generation Industry
• Electrical Insulation: Medium Voltage Insulator
• Model NO.: Ceramic Insulator
• Material: Alumina Ceramic
• Shape: Custom Shape
• Resistance Range: Customizable Resistance Values
• Precision: High Accuracy
• Mounting: Panel Mount
• Rotational Life: Typically 1 Million Cycles or More
• Power Rating: 0.5W
• Enclosure: IP50
• Environmental Resistance: Shock and Vibration Resis
• Insulation Resistanc: 100 M&Omega at 500 V DC
• Mechanical Stiffness: Typically 0.5 to 2.5 N
• Adjustment Torque: 0.2 to 0.8 Nm
• Temperature Range: -40°c to +85°c
• Voltage Rating: up to 250V
• Rotation: 1-Turn
• Size/Dimensions: Varies
• Resistance Taper: Linear
• Transport Package: Wooden Case & Carton Packing
• Specification: 2~500kg
• Trademark: Ausenist
• Origin: China
• HS Code: 8504403090
• Production Capacity: 100000PCS /Month

Product Description

Product Description 
Custom High-Precision Ceramic Insulator Sleeves for Electrical and Heating Applications
Our ceramic insulator sleeves are precision-engineered insulating components widely used in electric heating elements, industrial heating tubes, home appliances, and other electrical equipment. We offer customizable solutions in alumina ceramic, steatite ceramic, and magnesium oxide ceramic, depending on your performance requirements.

These small but critical components feature excellent thermal resistance, high dielectric strength, and exceptional mechanical stability, making them ideal for high-temperature and high-voltage insulation tasks.

Available Materials
Alumina Ceramic (95% / 99%)

High hardness and mechanical strength

Excellent electrical insulation and thermal resistance (up to 1600°C)

Ideal for industrial heating equipment and precision instruments

Steatite Ceramic

Good electrical insulation and moderate mechanical strength

Cost-effective solution for household appliances

Excellent thermal shock resistance

Magnesium Oxide Ceramic

High thermal conductivity and insulation

Suitable for heating elements requiring excellent heat transfer

Often used in cartridge heaters, thermocouples

Key Features
High Dielectric Strength
Excellent Thermal Resistance (up to 1600°C depending on material)
Precision Inner Hole and Outer Diameter
Customizable Shape: Round / Square / Slotted / Flanged
Smooth Surface and Glazed/unglazed Finish
OEM / ODM Support

Typical Applications
Electric heating tubes

Cartridge heaters and immersion heaters

Water heaters and electric boilers

Industrial automation equipment

Household appliances

Thermocouple sensor insulation

Electrical bushings and core sleeves

Specifications (Customizable)
Property    Range
Outer Diameter    5mm - 50mm
Inner Diameter    2mm - 30mm
Length    5mm - 100mm
Tolerance    ±0.3mm
Shape    Cylindrical / Square / Slotted / Flanged
Material Options    95% alumina, steatite, MgO

Why Choose Us?
20+ years of ceramic manufacturing experience

ISO-certified quality control

Fast sampling and bulk production

Flexible MOQ and OEM-friendly

Global shipping and export support

Ordering Notes
Please send us your technical drawing or sample to ensure accurate customization. We accept small quantity prototypes and mass production orders alike.


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