... products are white micro powder,featured with high purity,low sodium content,high transition rate, less shrinkage rate. The ... ,good flowability,less shrinkage rate,often used to make ceramics by hot pressing.YFCA-2G99.60.040. ... .20.93.5±0.2 Often used to make ceramics by hot pressing and dry pressing,such ... ,ceramics by casting and iso-static pressing. high quality calcined alumina for fine ceramics