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Fused Silica Crucible fused Quartz

Crucible 79mm

SKU: SI618698/1 Category:

Fused Silica Crucible fused Quartz

Fused quartz crucibles’ purity levels (99.998% SiO2) are attained by careful screening of raw material, meticulous attention to detail, and stringent quality control throughout the various manufacturing stages. Quartz glass is used to create forms such as tubing, rods, ingots, plates, discs, and cylinders. From thin-wall boiling and distilling flasks to heavy-wall diffusion tubes used to process semiconductor wafers at furnace temperatures more than 1200 degrees C. Most products are available in opaque, transparent and arc fused (Type TPL) forms and must meet industry standards for physical, thermal, chemical, mechanical and electric properties. While fused silica refractories do 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. Fused Silica crucibles can also be used without a steel backing shell.


  • 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

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