Precision Ceramic Processing For Alumina Ceramic Insulating Sleeves In High-Performance Applications

Precision Ceramic Processing For Alumina Ceramic Insulating Sleeves In High-Performance Applications

Product Introduction

Alumina ceramic insulating sleeves are specialized ceramic tubes manufactured from high-purity aluminum oxide (Al₂O₃). These components exhibit exceptional electrical insulation properties, mechanical strength, and high-temperature resistance. Produced through precision ceramic processing with smooth, dense surfaces, they provide ideal insulation protection for electrical, electronic, and industrial equipment operating in extreme environments.

Primary Applications

• High-voltage electrical equipment: Insulation protection for transformers, circuit breakers, insulators

• Electronic components: Insulation sleeves for semiconductor devices, vacuum tubes, sensors

• Industrial heating systems: Protection tubes for high-temperature furnaces, heating elements, thermocouples

• Special environments: Insulation protection in corrosive media and high-radiation conditions

Product Advantages

1. Superior insulation: Volume resistivity >10¹⁴Ω·cm, dielectric strength >15kV/mm

2. High-temperature resistance: Continuous use up to 1600°C, short-term tolerance to 1800°C

3. Excellent mechanical strength: Flexural strength >300MPa, hardness >9 Mohs

4. Chemical stability: Resistant to acid/alkali corrosion, non-aging, long service life

5. Precision dimensional control: Inner diameter tolerance within ±0.02mm

Technical Specifications

Manufacturing Process

1. Material preparation: Fine grinding and formulation of high-purity alumina powder

2. Forming processes: Isostatic pressing/extrusion/slip casting

3. High-temperature sintering: Precision-controlled sintering at 1650-1800°C

4. Precision machining: Internal/external grinding, end face polishing, laser drilling

5. Quality inspection: Dimensional checks, insulation tests, strength tests

Usage Instructions

1. Avoid impact during installation to prevent brittle fracture

2. Consider thermal expansion in high-temperature applications

3. Use flexible gaskets when mating with metal components

4. Regularly inspect surface cleanliness to prevent conductive deposits

Service Commitment

• 24/7 technical support team

• Product selection and technical consultation

• Custom solutions available (15-30 day lead time)

FAQ

Q: What voltage can alumina ceramic sleeves withstand?
A: Standard products withstand 15-30kV/mm; specially designed units up to 50kV/mm

Q: Can you produce non-standard shaped insulating sleeves?
A: Yes, we customize various shapes including tapered and stepped designs

Q: What is the minimum achievable wall thickness?
A: Standard minimum is 0.5mm; 0.3mm available with special processes

We are a company with many years of experience in the production of special precision ceramics and the ability to design, manufacture, process and sell structural and functional parts of various special precision ceramics.

Deyu Precision Ceramics Technology Co., Ltd. has many years of experience in producing special precision ceramics, and has the ability to design, manufacture, process and sell structural and functional parts of various special precision ceramics. At present, the company has production and processing equipment such as dry press, isostatic press, experimental furnace, flat kiln, machining center, surface grinder, universal internal and external grinder, centerless grinder and laser cutting machine, as well as complete high-precision testing equipment such as high-precision projector, three-dimensional tester, metallographic microscope, hardness tester and densitometer.

With advanced production technology and complete production facilities, the company is one of the few domestic enterprises that can produce special precision ceramic structural parts and functional parts with machining accuracy less than 2 microns, and has strong core competitiveness in the same industry in China.

Advantages of the company: 1. National new technology enterprises; 2. The company has a municipal R&D center; 3. Cooperation with domestic key universities and research institutes; 4. Design, molding, sintering and precision processing; 5. The products cover alumina, zirconia, silicon nitride, silicon carbide and other precision ceramics; 6. Precision plus technology.

The company has always been standing in the position of customers to solve problems, focusing on the principle of quality and delivery time, adhering to the business philosophy of "integrity, innovation and reassurance", and sincerely looking forward to cooperating with you.