Alpha Star®

Alpha Star® is a homogeneous calcined high alumina aggregate. Specially selected from high purity ores, the highly customised calcining process results in a dense, volume stable aggregate with low apparent porosity. The combination of lower impurities and unique processing delivers a consistent high-quality aggregate. Alpha Star offered by EcoMinerals has the following specifications:

%Grade
TypicalSpecifications
Al2O390,3min. 89,0
SiO23,9-
Fe2O31,4max. 2,2
TiO24,0max. 4,4
CaO0,12-
MgO0,13-
Na2O0,03-
K2O0,23max. 0,6
B.D.3,5min. 3,40
Apparent porosity2,7-
Moisture0,10max. 0,5

Should you have further questions for quality or grain, please do not hesitate to contact us.