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Corundum ceramic sleeve

Our company has developed corundum alumina ceramic sleeves that are temperature-resistant and wear-resistant, with hardness second only to diamond, featuring high wear resistance and long service life. YL-NT corundum refractory ceramic special-shaped parts can be manufactured according to user-specified dimensions, produced using special molds. Their main characteristics are: low expansion, high temperature resistance, corrosion resistance, oxidation resistance, and long service life, making them important components for special high-temperature wear-resistant parts.

Ключевые слова:

Corundum ceramic sleeve

Описание продукта

  • 产品描述
  • Product Introduction

    Our company develops corundum alumina temperature-resistant and wear-resistant ceramic sleeves, with hardness second only to diamond, featuring high wear resistance and long service life. YL-NT corundum refractory ceramic special-shaped parts can be manufactured according to user-specified dimensions, produced using special molds. Main features include: low expansion, high temperature resistance, corrosion resistance, oxidation resistance, and long service life. They are important components for special high-temperature wear-resistant parts.

    Technical Parameters

    Ceramic Properties Table

     

    Name

    99 Ceramic

    95 Ceramic

    Zirconia

     

    Main Components

    AlO ≥99%

    Al O ≥95%

    ZrO ≥94%

    Physical Properties

    Density

    3.85

    3.6

    5.9

    Water Absorption %

    0

    0

    0

    Sintering Temperature

    1690

    1670

    1650

    Material Properties

    Hardness HV

    1700

    1600

    1400

    Flexural Strength 4pt

    >3500

    >2900

    >11000

    Compressive Strength Kgf/cm²

    30000

    25000

    25000

    Thermal Properties

    Maximum Operating Temperature

    1500

    1400

    1600

    Thermal Expansion Coefficient

    8

    7.8

     10

    10-6/℃

    0-1000℃

    Thermal Shock Resistance T(℃)

    200

    220

    350

    Thermal Conductivity W/m.k

    31

    22

    3

    Electrical Properties

    Volume Resistivity Ω.cm

    >1012

    >1012

    >1012

    Insulation Breakdown Strength KT/m

    18

    16

    15

    Dielectric Constant 1MHZ(E)

    9.2-10.5

    9.0-10

    12.5

Запрос продукта

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