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

Calumite as an Abrasive

Calumite is a light in colour Calcium Silicate mineral. Applications include: Cleaning of ornate buildings, wood rejuvenation and masonry renovation.
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 which is evenly distributed in the batch.
Learn More

Latest News

Calumite Ltd has become a member of Glass Futures, the Global Centre of Excellence for glass in research and development, innovation, and training.
Learn More