The analysis of our Rock Salt On dry weight basis is as follows
Chloride content (as NaCl) : 98.9% approx. (min. 98%)
Matter soluble in water other than NaCl: 0.61%
Water insoluble matter: 0.46%
Moisture: 0.41%
Ca2+ : 0.02%
Mg2+ : 0.05%
So4 2- : 0.11%
Minimum order should not be less than 1000MT.
we are exporter of rock salt from iran.