Sibelco is a Belgium-headquartered industrial minerals and material solutions company that mines, processes and supplies minerals worldwide, with a portfolio centered on silica, clays, feldspathics and olivine. The group also operates a large glass-recycling business, producing high-purity cullet for container-glass manufacturing.

Materials and applications

Sibelco supplies silica (quartz) sands and flours, feldspar and nepheline syenite fluxes for glass/ceramics, kaolin and ball clays for ceramic bodies and glazes, and olivine for metallurgy and foundry uses. It also produces cristobalite via calcination of high-purity quartz under the SIBELITE® brand, used as a functional filler in engineered stone, coatings and polymers.

Services and operations

Offerings include global sourcing and logistics, technical application support, and glass-cullet processing across a network of recycling facilities.