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Alumina

SELEE® Advanced Ceramics® offers a broad range of alumina compositions ranging from 88-99% pure. Lower purity alumina refractories offer superior thermal shock resistance, while high purity compositions significantly increases maximum working temperature and wear resistance. Give us a call for advice on which alumina composition would be best suited for your particular application.

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TYPICAL STRENGTHS OF ALUMINA ARE:

  • Good thermal shock resistance
  • High maximum working temperature
  • Good wear resistance
  • Good corrosion resistance

TYPICAL APPLICATIONS FOR ALUMINA ARE:

  • Kiln furniture for powder metal and ceramic processing
  • Crucibles and ladles for melting non-ferrous alloys
  • Kiln components including:
    • hearths
    • entrance tiles
    • skid rails
    • muffles
    • side walls
    • arches
  • Crucibles for melting glass
  • Wear components

Fused Silica

While fused silica does not have the high operating temperatures as alumina refractories, it does provide superior thermal shock resistance in both kiln furniture and molten metal applications. In addition to its high thermal shock resistance, fused silica refractories also have an extremely low coefficient of thermal expansion, making it an excellent choice in applications that require dimensional stability.

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TYPICAL PROPERTIES OF FUSED SILICA ARE:

  • Superior thermal shock resistance

  • Excellent hot strength

  • Low coefficient of thermal expansion

  • Minimal preheating required

  • Can be used without a steel backing shell

TYPICAL APPLICATIONS FOR FUSED SILICA ARE:

  • Kiln furniture for powder metal and ceramic processing

    • saggers

    • pusher tiles

    • boats

    • setter plates

  • Crucibles and ladles for melting ferrous alloys

  • Kiln components

  • Metering pins

Silicon Carbide

SELEE® Advanced Ceramics® offers a wide range of silicon carbide compositions designed to meet customer specific needs. All of our silicon carbide refractories are extremely thermal shock resistant. Give us a call for advice on which silicon carbide composition would be best suited for your particular application.

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TYPICAL PROPERTIES OF SILICON CARBIDE ARE:

  • Excellent thermal shock resistance

  • Excellent hot strength

  • Excellent abrasion resistance

  • Good thermal conductivity

  • Relatively low coefficient of thermal expansion

TYPICAL APPLICATIONS FOR SILICON CARBIDE ARE:

  • Kiln furniture for powder metal and ceramic processing

  • Kiln components including:

    • hearths

    • entrance tiles

    • skid rails

    • muffles

    • side walls

    • arches

Mor Shock Mullite

SELEE® Advanced Ceramics® MOR Shock Mullite refractories were designed specifically for use in thermal shock applications. MOR Shock products provide a cost-effective, high strength alternative to traditional high alumina refractories and lower cost cordierite refractories.

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STRENGTHS OF MOR SHOCK MULLITE INCLUDE:

  • Good to excellent thermal shock resistance

  • Lower cost than high alumina refractories

  • Better strength and life than cordierite refractories

APPLICATIONS FOR MOR SHOCK MULLITE ARE:

  • Thermal processing applications

  • Molten metal handling

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1-847-428-4455