Sio2: 99.5% Fe2o3: 0.02% min and 0.07% max as per requirement Whiteness: 85%-99% as per requirement Size: 200#, 300#, 400#, 500#, air blown, 0.1-0.4mm, 0.3-0.7mm, 0.6-1.2mm, 1.2-2.5mm, 2.5-4.0mm, 4.0-6.0mm, and bigger sizes as per requirement can be made. Packing can be done in following: 25kg bags 50kg bags 500kg bags 1000 kg bags 1250kg bags 1400kg bags