等級の標準
農業の等級, 食物グレード, 産業等級, 薬の等級
適用
Industrial coating, paint
Grade Standard :
Industrial Grade
Fe2O3 Content :
≤ 1000mg/Kg
Residue on Sieve (45μm)
≤ 0.5%
Heating decrement :
4.0% to 8.0%
Loss on ignition (LOI) :
≤ 7.0%
pH Volume (10%suspended solids) :
5 - 8