What is Calumite? Calumite is a calcium-alumino-silicate based material that is 99% glassy in nature, which is produced from granulated blast furnace slag. Learn More Find our UK Plant Calumite UK is situated on the steelworks site in Scunthorpe. You can find us by using What 3 Words or check the map provided. Learn More Benefits of Calumite The two key characteristics of Calumite that contribute to the range of benefits that it offers are its glassy nature and its redox value. Learn More Where we Supply Calumite is used around the world in all types of soda-lime-silica glass production, from float glass to fibre glass, and container glass. Learn More How Calumite Works Calumite acts in a similar way to cullet as it is a glassy material with the benefit of being a weak reducing agent. Learn More Latest News We have purchased a specialised Handjet EBS-260 handheld printer to ensure we meet the various import/ customs regulations. Learn More
