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Fused quartz is a high-purity, non-crystal form of Silicon Dioxide (SiO2), known for its high-temperature stability, UV transparency, and resistance to harsh chemicals.

Fused quartz plates are used in a variety of high-performance applications such as optical windows & lenses, furnace viewports & windows, sputtering targets & coating susbstrates, high-purity insulating discs in electronic and photonic devices, UV sterilization systems, bioimaging & microfluidics, sensor & camera windows, radiation shielding, semiconductor wafer carriers & substrates.

We provide fused quartz plates and discs in three different material grades:

  • Optical Grade Fused Quartz: for Wavelength 220~2500nm
  • UV Grade Fused Silica: for wavelength 185~2500nm
  • Full Spectrum Fused Silica: for wavelength 260~3500nm

We have many standard fused quartz plates in stock. We also provide custom fused quartz discs in various sizes.

Please contact us to request a quote for custom fused quartz discs.

  • No minimum order quantity required. A $15.00 handling fee applies to orders totaling less than $100.00 before shipping.

Fused Quartz Plate

SKUPictureProduct NameSpecsDescriptionMSDS PDFMore InfoPriceQty
FQ-P-1N-1N-N1/16Optical Grade Fused Quartz Plate (220~2500nm)L25.4xW25.4xT1.59 mm (1x1x0.063 in)-
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$6.65
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FQ-P-1N1/2-1N1/2-N1/16Optical Grade Fused Quartz Plate (220~2500nm)L38.1xW38.1xT1.59 mm (1.5x1.5x0.063 in)-
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$9.52
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FQ-P-2N-2N-N1/16Optical Grade Fused Quartz Plate (220~2500nm)L50.8xW50.8xT1.59 mm (2x2x0.063 in)-
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$17.18
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FQ-P-2N-2N-N1/8Optical Grade Fused Quartz Plate (220~2500nm)L50.8xW50.8xT3.18 mm (2x2x0.125 in)-
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$20.19
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FQ-P-3N-3N-N1/8Optical Grade Fused Quartz Plate (220~2500nm)L76.2xW76.2xT3.18 mm (3x3x0.125 in)-
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$34.38
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FQ-P-4N-4N-N1/16Optical Grade Fused Quartz Plate (220~2500nm)L101.6xW101.6xT1.59 mm (4x4x0.063 in)-
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$46.27
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FQ-P-4N-4N-N1/8Optical Grade Fused Quartz Plate (220~2500nm)L101.6xW101.6xT3.18 mm (4x4x0.125 in)-
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$52.89
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FQ-P-5N-5N-N1/8Optical Grade Fused Quartz Plate (220~2500nm)L127xW127xT3.18 mm (5x5x0.125 in)-
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$71.14
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FQ-P-5N-5N-N1/4Optical Grade Fused Quartz Plate (220~2500nm)L127xW127xT6.35 mm (5x5x0.25 in)-
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$87.25
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FQ-P-6N-6N-N1/8Optical Grade Fused Quartz Plate (220~2500nm)L152.4xW152.4xT3.18 mm (6x6x0.125 in)-
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$109.11
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FQ-P-6N-6N-N1/4Optical Grade Fused Quartz Plate (220~2500nm)L152.4xW152.4xT6.35 mm (6x6x0.25 in)-
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$123.31
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Have Questions? We’re Ready to Help!

Whether you’re within or outside the U.S., our expert team is ready to assist you with any product or technical inquiries. Explore our wide selection of materials for high temperature, high purity and abrasive applications. 
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