Specification:
Item | HS | |
Ι | ||
Superior | first-class | |
NaOH %≥ | 99.0 | 98.5 |
Na2CO3 %≤ | 0.50 | 0.80 |
NaCl %≤ | 0.02 | 0.04 |
Fe2O3 %≤ | 0.002 | 0.004 |
SiO2 %≤ | 0.008 | 0.010 |
NaClO3 %≤ | 0.005 | 0.005 |
Na2SO4 %≤ | 0.01 | 0.02 |
Al2O3 %≤ | 0.004 | 0.005 |
CaO %≤ | 0.001 | 0.003 |