The products are white fine powder,featured with low sodium content,steady transition rate,good flowability,steady shrinkage

These products consist of three kinds ,the following is the details:

product model	Al2O3	Na2O	SiO2	Fe2O3	igloss	true density	grain size	apparent density	average particle size	features and application
YFCA-1	99.7	0.04	0.05	0.02	0.07	3.97	4.1	1.0	60-70	sphere-like powder,good flowability, less shrinkage rate, designed for making ceramics fittings by hot pressing.
YFCA-2	99.6	0.04	0.05	0.02	0.07	3.96	3.2	0.95	50-70	this model is often used for ceramics fittings by hot pressing,dry pressing such as roller stick, Water valve slice, frictional disk etc.
YFCA-3	99.7	0.04	0.05	0.02	0.07	3.96	2.5	0.95	50-70	plate-like powder,easy to be ballmilled, designed for raw meterial of granulation, ceramic fittings by coating,iso-static pressing.

high purity calcined alumina for fine ceramics