The product can use in the Glass Industry for colouring Purpose with Spec as Follow : Min Max Fe2O3 : 96.00 % - Al2O3 : - 01.25% SiO2 : - 01.25 % LOI : - 01.00% Sieve Analysis : + 150 mesh BSS ( 106 micron) : 1 % max + 350 mesh BSS 45 micron : 10 -20 %