Mullite Market Analysis, Industry Outlook, Growth and Forecast 2027

Mullite, also known as porcelainite, is a rare silicate mineral. In the next few years, mullite is likely to be a material of choice in the areas including advanced ceramics and metallurgy, due to its unique mechanical and thermal characteristics.
Transformation of clay into mullite generates a product enhanced with the characteristics required for refractory applications including low thermal conductivity, ideal creep resistance, optimal thermal shock resistance, and exceptional thermal stability. Mullite exhibits exceptional resistance to most chemical attacks, oxidation, and abrasion.

Mullite possesses certain key features such as resistance to thermal shocks, chemicals, and creep. Owing to these features, the global glass industry is likely to witness high demand for mullite-based refractories between 2019 and 2027, for applications such as ports, burner blocks, checker bricks, and drawing chambers.
Mullite bricks offer low porosity, high density, good hot strength, and good slag resistance. Mullite bricks are anticipated to witness significant demand for their use as refractory materials in manufacturing plants for ceramics, glass, and steel and iron.
The usage of mullite facilitates controlled thermal expansion, enhanced mechanical strength, optimal shrinkage control, and enhanced whiteness of a ceramic body. Ceramic manufacturers are likely to witness high demand for mullite, particularly for its use in mullite-based chamotte clay used for production of sanitary-ware and floor tiles.

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Based on product, the global mullite market can be divided into natural and fused. Fused mullite is likely to witness high demand during the forecast period. Fused mullite is manufactured in an electric furnace by fusion of high-purity alumina with high-purity silica in high-temperature surroundings.
Fused mullite has characteristics such as low conductivity, exceptional resistance to thermal shocks, and resistance to deformation under load. A few notable areas of application of fused mullite are: refractories for glass and steel industries, kiln furniture, and spark plug bodies. It is applied as a shell building material in the investment casting process.

Based on end-use industry, the global mullite market can be divided into refractory, foundry, ceramics, building, electronics, and others
The ceramic segment is expected to constitute a major share of the global mullite market during the forecast period. In the ceramic industry, mullite is particularly used for in-kiln furniture items such as kiln setter slabs and posts that support ceramic-ware during firing.
The refractory segment is likely to witness substantial growth between 2019 and 2027. Mullite bricks are made of synthetic fused mullite or sintered mullite and they are fired in high-temperature furnaces. Mullite bricks are anticipated to witness high demand for high-temperature, high-load applications such as hot ends of regenerative chambers of glass melters, superstructures of furnaces, and arches of glass fiber melters between 2019 and 2027.

The global mullite market was fragmented in 2018. Key manufacturers operating in the global market are: