Specifications:
1) NaOH: 99% min;           96% min
2) Na2CO3: 0.7% max;     1.4% max
3) NaCL: 0.1% max;          2.8% max
4) Fe2O3: 0.01% max;       0.01% max

Particle size for pearl 99%:
1) +mesh 16: 7% max
2) +mesh 60 -mesh 16: 87% min
3) -mesh 60: 6% max