Supply calcined alumina for refractory meterial

sphere-like crystle,good flowability,less firing shrinkage rate.

The following is the details of the product:

product model	Al2O3	Na2O	SiO2	Fe2O3	ignition loss	true density	grain size	apparent density	average particle size	features and applications
YFRA-30G	99.5	0.3	0.15	0.05	0.10	3.96	4.5	0.95	4.5±0.2	sphere-like crystle,good flowability,less firing shrinkage rate,ofen used for refractory castables.