Specification :

PPA105: 105% MIN; P2O5: 76.0% MIN; As: 0.005% MAX; Fe: 0.003% MAX; Pb: 0.001% MAX;

PPA115: 115% MIN; P2O5: 83.3% MIN; As: 0.005% MAX; Fe: 0.003% MAX; Pb: 0.001% MAX;