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HONEYCOMB

Category:

High temp industrial furnace & fireplace / stove / boiler refractory products

Variety of materials& specifications Big specific surface area small resistance loss Low thermal expansion coefficient High water absorb rate Outstanding crack-resistance

Keyword:

HONEYCOMB

  • Describe
  • Advantage:

    Variety of materials& specifications

    Big specific surface area

    small resistance loss

    Low thermal expansion coefficient

    High water absorb rate

    Outstanding crack-resistance

    Chemical & Physical Analysis:

    Chemical & Physical index cordierite Dense cordierite cordierite-mullite Mullite Corundum-mullite
    Chemical 
    composition(%)
    SiO2 45-55 45-55 35-45 25-38 20-32
    Al2O3 30-38 33-43 40-50 50-65 65-73
    MgO 10-15 5-13 3-13 - -
    K2O+Na2O <1.0 <1.0 <1.0 <1.0 <1.0
    Fe2O3 <1.5 <1.5 <1.5 <1.5 <1.5
    Thermal Expansion Coefficient <2 <4 <4 <5 <7
    Specific Heat J/kg.K 830-900 850-950 850-1000 900-1050 900-1100
    Working Temperature ℃  <1300 <1300 <1350 <1450 <1500

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