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    About 45,800 results (0.27s) 
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    An AI Overview is not available for this searchCan't generate an AI overview right now. Try again later.
    AI Overview
    Alumina ceramic shims, washers, and spacers are specialized components used in valve pumps to provide superior wear resistance, corrosion resistance, and thermal stability compared to metal alternatives. These shims are often employed in high-precision, high-purity applications, such as cosmetic filling pumps, and for managing thermal expansion in high-speed rotary pumps. 
    Key Features and Benefits 
    • Material Composition: Typically made of high-purity alumina (typically 95%, 96%, or 99.6%
      Al2
      O3
      ).
    • Wear and Corrosion Resistance: Ideal for handling abrasive or corrosive fluids that would destroy metal components.
    • Thermal Stability: High thermal conductivity allows for rapid heat transfer to the pump housing, mitigating the risk of thermal seizing.
    • Precision: These shims can be lapped or polished to meet exact specifications, supporting high-precision metering pumps with tolerances reaching
      ±3
      %
      .       
    Common Applications 
    • Rotary Valve Pumps: Used as seals, thrust bearings, or spacers in high-viscosity or abrasive liquid dispensing (creams, honey, essential oils).
    • Mechanical Seals: Serves as the stationary seat in slurry pumps or petrochemical valves.
    • Piston Pumps: Alumina ceramic plunger and sleeve assemblies often utilize ceramic shims to maintain tight tolerances and prevent wear. 
    Common Specifications 
    • Sizes: Custom, available in various shapes and sizes.
    • Thickness: Often very thin, ranging from 0.005” to 0.080” (
      0.127
      --
      2.032
      mm
      ) and ultra-thin, as thin as
      10
      --
      15
      𝜇
      m
      .
    • Surface Finish: Can be lapped/polished to meet specialized surface finish requirements. 
    Manufacturer Considerations
    Components can be customized according to drawings, often with a 2–25 day delivery time, and may come with certifications of material, density, and dimensional inspections. 
    • Thin Film Ceramic Substrates of 99.6% Alumina at Valley Design
      * Wafers, Substrates & Discs, All Materials. 99.6% Alumina. Substrates. Substrates Foil. Ultra Thin Ceramics. Ultra Thin Sapphire.
      Valley Design
    • Alumina Ceramic Pump Piston Sleeve For Cosmetic Essence ...
      Our pump modules are positive displacement mechanisms that do not contain external valves and can run for hundreds of millions of ...
      FUBOON Advanced ceramics
    • Pneumatic rotary valve type ceramic metering pump
      Description. ... The rotary valve type pump is a plunger type metering pump with proportional discharge. This metering pump contro...
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    • Thin Film Ceramic Substrates of 99.6% Alumina at Valley Design
      * Wafers, Substrates & Discs, All Materials. 99.6% Alumina. Substrates. Substrates Foil. Ultra Thin Ceramics. Ultra Thin Sapphire.
      Valley Design
    • Alumina Ceramic Pump Piston Sleeve For Cosmetic Essence ...
      Our pump modules are positive displacement mechanisms that do not contain external valves and can run for hundreds of millions of ...
      FUBOON Advanced ceramics
    • Pneumatic rotary valve type ceramic metering pump
      Description. ... The rotary valve type pump is a plunger type metering pump with proportional discharge. This metering pump contro...
      FUBOON Advanced ceramics
    • Significant-dose Ceramic Rotary Valve Plunger Pump
      Applied to high-precision quantitative flling of all kinds of materials. Application scope: Applied to high-precision quantitative...
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    • Alumina Ceramic Ring Manufacturer | Precision Seals & Washers
      Applications & Industry Solutions * Fluid Handling & Pumps (Mechanical Seals) Problem: In slurry pumps or petrochemical valves, sa...
      www.jifengceramics.com
    • Alumina Ceramic Ring Manufacturer | Precision Seals & Washers
      Apr 30, 2026 — Small precision rings are vacuum-packed on plastic trays to prevent movement. These are placed in inner boxes with foam, which are...
      www.jifengceramics.com
    • Alumina Ceramic Plunger & Piston Pump Cores
      Alumina Ceramic Plunger Overview * Our premium Alumina Ceramic Plunger (also referred to as a ceramic piston pump core) is enginee...
      www.jifengceramics.com
    • Wholesale Ceramic Parts,ceramic Parts Manufacturer,ceramic ...
      Alumina ceramic spool,textile ceramic part with desirable surface fineness, suitable for use in textile machinery and in fine spin...
      CS Ceramic Co.,Ltd
    • 96%, 99.5%, and 99.6% Alumina Ceramics Available - Valley Design
      The higher purity, 99.6% alumina, typically provides enhanced characteristics such as greater resistance to wear, corrosion, and h...
      Valley Design
    • Everything You Need to Know about Alumina Ceramics
      Apr 10, 2026 — Application of Alumina Ceramics * Because of their excellent chemical stability, alumina ceramics are used widely in acid-resistan...
      Advanced Ceramic Materials
    • Ceramic Washer Spacer Alumina Zirconia Ceramic Gasket Ring For ...
      Ceramic Washer Spacer Alumina Zirconia Ceramic Gasket Ring For Industrial Parts * Materials：Alumina (Al2O3)/ Zirconia(ZrO2) /Si3N4...
      cerampart.com
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