Calumite s.r.o.

The company Calumite s.r.o. manufactures and sells branded glass raw material called CALUMITE® , obtained by processing a granulated blast furnace slag. This material is used for the production of container glass, flat rolled glass, float glass and fibreglass.

The Company has implemented and retains the Quality Management System ISO 9001:2015 and ISO 14001:2015 CALUMITE® and the production is being carried out within the strictly defined and stable conditions, which results in a trustworthy product that appears to meet the expectations of the customers.

The company Calumite s.r.o. is a solid and a long-time supplier of glassworks to the vast majority of glassworks in the Czech Republic, Poland and Slovakia.


Defending the quality management certificate ISO 9001: 2015 and ISO 14001: 2015

By defending the quality management certificate ISO 9001: 2015 and …

We celebrate 20 years

Calumite Ostrava company started production in 1999.

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