Specification 

ROCK Salt  

Sodium Chloride 

NaCl 

odorless, white color free flowing crystals Solution with water will be transparent 

85% between 200 to 600 micron Sodium Chloride 99.6% Min on dry basis 

• Total calcium salt as Ca by mass Maximum 0.04 % 

• Total Magnesium salt as Mg by mass Maximum 0.04 % 

• Total Sulfates as SO4 by mass Maximum 0.1 % 

• Matter insoluble in water by mass Maximum 0.05 % 

• Iron compound as Fe Maximum 5 ppm 

• Non Caking agent Maximum 10 ppm 

• Alkalinity as Na2CO3 Maximum 500 ppm 

• Bulk density 1300 Kg/m3

• Moisture Maximum 0.1 % 

• PH of 10% solution 7.5