98.0% min.

Moisture(H2O) %

2.5% max.

PH(1% Water Solution)

4.3～4.7

Water Insoluble

0.2% max.

Chloride Content(Cl Unit)

0.20% max.

Iron Content(Fe Unit)

0.003% max.

Arsenic Content(As Unit)

0.005% max.

Heavy Metal Unit(Pb Unit)

0.005% max.

K2O(K2O Unit)

33.9% min.

packing

In 25kg net bags.