1. Source: World Steel Association
2. Retrieved from:
https://www.marketwatch.com/press-release/refractory-market-2019global-industry-analysis-size-share-trends-market-demand-growth-opportunities-and-forecast-2025-2019-03-18
.
3. Retrieved from:
https://www.mordorintelligence.com/industry-reports/refractories-market
4. Retrieved from:
https://imformed.com/refractory-mineral-trends-irefcon16/
5. Retrieved from book: John B. Wachtman, Mechanical Properties of Ceramics, Wiley.