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High Purity Quartz

Explore the wide range of benefits Sibelco IOTA® high purity quartz (HPQ) brings to semiconductors, photovoltaic cells, optical fiber, and quartz lighting.

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High Purity Quartz


Sibelco’s IOTA high purity quartz sands are used to produce fused quartz, a material with unique optical, mechanical and thermal properties, which make it indispensable in the manufacture of a wide range of high-tech products. 

Products in our IOTA® quartz range are mined from two uniquely pure ore bodies at Spruce Pine, North Carolina, USA. 

Situated in the heart of the Appalachian Mountains, Spruce Pine is home to the world’s highest quality quartz and has been mined for more than a century. 


IOTA
®
is used in a range of high-tech applications, including:

  • Semiconductor: for the manufacture of fused quartz crucibles used in the Czochralski (CZ) process, and the production of fused quartz tubing and ingots used to create fabricated quartzware for the semiconductor wafer process.
  • Photovoltaic Cells: for the manufacture of crucibles for CZ single crystal silicon growth.
  • Quartz Lighting: including automotive xenon, halogen, HID and UHP lamps.

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