Alumina Ceramic Bushing Wholesale

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  • Core Performance Parameters
    Based on the official material performance datasheet, the key physical and mechanical properties of zirconia ceramic bushings are listed below:

    Performance Index Technical Parameter Feature Description
    Density 5.9–6.0 g/cm³ High specific gravity with dense and solid internal structure
    Hardness Mohs grade 8.8 Extremely hard surface with outstanding wear and scratch resistance
    Water Absorption Rate 0% Fully dense pore-free structure delivering superior impermeability and moisture resistance
    Compressive Strength 3000 MPa Excellent load-bearing compressive capacity under heavy loads
    Fracture Toughness 10 MPa·m¹ᐟ² Premium toughness among ceramic materials, effectively avoiding sudden brittle fracture
    Maximum Operating Temperature 1050 °C Suitable for medium-high temperature and general thermal processing environments
    Resistivity > 10¹² Ω·mm²/m Outstanding electrical insulation performance


    Application Fields

    • Heavy-duty machinery: High-load mechanical shaft sleeves and wear-resistant structural parts. Its ultra-high flexural strength and fracture toughness enable stable operation under extreme stress conditions.
    • Precision fluid equipment & valves: Wear-resistant anti-erosion sealing assemblies and pump bushings, perfectly suited for working conditions involving high pressure and severely abrasive fluids.
    • Industrial automation components: High-strength, high-toughness positioning parts and insulating wear-resistant supports, which drastically lower breakage rates caused by mechanical collisions.
About Us
Zhejiang Zhufa Precision Ceramics Technology Co., Ltd.
Zhejiang Zhufa Precision Ceramics Technology Co., Ltd. is China Alumina Ceramic Bushing Manufacturers and Wholesale Alumina Ceramic Bushing Factory, a manufacturing enterprise focusing on customized processing of advanced ceramic materials and precision ceramic structural parts. Its headquarters is located in Shaoxing, Zhejiang, the core area of the Yangtze River Delta in China. Since its establishment in 2022, Zhufa has always adhered to the concept of "strict selection of excellent materials, intelligent manufacturing, meticulous inspection, and sincere service", and is committed to providing stable and reliable ceramic products and personalized solutions for global industrial customers. The company has 30,000 square meters of modern plant and more than 50 core equipment, including dry pressing molding machine, isostatic pressing equipment, injection molding machine, high temperature sintering furnace, CNC engraving machine, surface grinder, centerless grinder, punch machine, honing machine, etc., with full-process production capacity from raw materials to finished products, and realizes independent control of the whole process. The company's main structural ceramic products cover a variety of materials such as zirconium oxide, aluminum oxide, silicon nitride, silicon carbide, aluminum nitride, etc. The types of parts include ceramic rods, ceramic tubes, ceramic sheets, seals and complex special-shaped parts, which are widely used in semiconductors, medical, new energy, automation equipment, laser technology, military industry and precision instruments. As a source factory integrating industry and trade, Zhufa supports customization, rapid prototyping, small batch flexible production and OEM cooperation. Since its establishment, the company has invested more than 10 million yuan in research and development, and continues to optimize material formulations and processing technology, always taking quality as the core, delivery as the guarantee, and service as the driving force to create long-term value for customers.
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