specification:
purity: 98% min.
moisture: 0.2% max.
oil: 0.2% max.
fe: 0.2% max.
cuo: 0.2% max.
sio₂: 0.1% max.
acidity: 1.0% max.
average grain size: 0.8-5 um

packing: in 25 kg fibre drums