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Monofrax LLC

1870 New York Avenue, 14733 Falconer, NY
Telephone +1 716 4837200
Fax +1 716 4837273


William Andrews

General Manager/President



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Our range of products

Product categories

  • 01  Glass production/Production Technology
  • 01.02  Auxiliary and operating materials
  • 01.02.01  Refractories

Our products

Product category: Refractories

Monofrax AZS

By specifying the zirconia content of AZS (alumina-zirconia-silica), glass furnaces can be zoned to optimize performance and cost.  Monofrax manufactures three AZS chemistries:  Monofrax CS-3, Monofrax CS-4, and Monofrax CS-5.

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Product category: Refractories

Monofrax high alumina refractories

Monofrax offers three high alumina refractories:  Monofrax A2, Monofrax M, and Monofrax H.  All offer excellent corrosion resistance.  Monofrax A2 is the highest alumina refractory containing over 99% aluminum oxide.  Monofrax M is an alpha-beta alumina frequently used for crowns, superstructure, and lip/spouts.  We specialize in lip/spouts in casings, a turn-key solution to lip/spout replacements.  Monofrax H is an essentially 100% beta alumina refractory recommended for superstructure applications only.

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Product category: Refractories

Monofrax high alumina fused cast refractories

Monofrax offers two high alumina fused cast refractories:  Monofrax Z and Monofrax ZHR.  Both are suitable for specialty glass applications and offer higher electrical resistivity with low defect potential.

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Product category: Refractories

Monofrax spinel fused cast refractories

Monofrax offers threee spinel fused cast refractories:  Monofrax K-3, Monofrax E, and Monofrax L.  Monofrax K-3 has found applications in high temperature processes, such as nuclear waste vitrification and container glass furnace throat blocks.

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About us

Company portrait

Located in the southern tier of Western New York, USA, the Monofrax plant was established in 1948 by The Carborundum Company to manufacture fused-cast refractories. Over its nearly 70 years of history, Monofrax employees have developed the know-how to produce more than a dozen product compositions. These materials are successfully used for glass melting, steel reheat, electrolytic reduction cells for smelting light metals, coal gasification, nuclear waste vitrification, and black liquor gasification. Since the 1990s, Monofrax has supplied its products to the glass industry worldwide. Throughout our history, Monofrax has not been owned by a glass company, making it one of the only fused-cast refractory suppliers that is truly independent of its customer base. While ownership of the Monofrax plant has changed hands several times, the one constant has always been its trademark. Monofrax® represents high quality, reliability, strong customer service, product and process innovation, and performance.