Monofrax LLC is the world´s largest independent supplier of fused cast refractories. Monofrax, Inc. is now the largest supplier of fused cast refractories in the world that is completely independent of ownership by any glass manufacturer.

More than 70 years of glass refractory experience has made Monofrax® fused cast refractories the number one choice of glass manufacturers in North America, as well as in a growing share of the expanding global market.

The Monofrax tradition of innovation, engineering expertise, and product excellence make Monofrax fused cast refractories a reliable and cost-effective solution to the challenges of modern glass furnace environments.

Monofrax products offer glass manufacturers one of the most highly diversified lines of fused cast refractories in the industry, including AZS, alumina and chrome products in 12 different products chemistries, a variety of special casting techniques, and excellent size and shape flexibility. These capabilities are critical in providing the balanced refractory performance necessary to withstand a wide range of harsh conditions within various parts of a modern glass furnace.