After much deliberation, we have decided to postpone UNITECR 2021 from September 14–17, 2021 to March 15–18, 2022. The conference will remain at the Hilton Chicago hotel in Chicago, Illinois, USA.  NOTE: All abstracts submitted will be carried over to the 2022 date unless you contact us to withdraw the abstract. The Unified International Technical Conference on Refractories (UNITECR) is a biennial international conference that contributes to the progress and exchange of industrial knowledge and technologies concerning refractories. Refractory…