A high-temperature calcination process transforms superior-grade clay into Refractory Clay. Heated between 850°C to 1600°C, this process removes moisture and volatile impurities, while increasing the Alumina content from 30-40% to 40-60%.



The result is a heat-resistant, structurally strong material that withstands extreme temperatures. Processed at different temperatures based on your needs, this durable mineral is ready for your use.