Details：
Angular coefficient: 1:1
Refractoriness: 1830 ℃
Size: Al2O3≥75%, Fe2O3 < 1%
Particle size: 40 to 325 mesh
Characters: It is spherical powder with high thermostability and thermal conductivity. It has many advantages compared with other foundry sand, like good casting performance, excellent regenerability and fluidity, low thermal expansion.
Main Application: Water glass bonded sand, resin bonded sand, precision casting, Expendable Pattern Casting (EPC), Copper and Aluminium articles polishing