Item

Grade A

Total P2O5 by weight               ≥

46.0

Available P2O5 by weight         ≥

42.0

Water soluble P2O5 by weight  ≥

37.0

Free acid by weight                ≤

3.0

Moisture by weight                  ≤

5.0

Mesh size (1.00mm~4.75mm)  ≥

90