Pure salt is
almost pure sodium chloride and has all
its inherent properties. Although it is
in a highly purified state, it still
contains traces of magnesium, which can
absorb moisture from the atmosphere and
render the salt lumpy.
comes in the form of small colourless
crystals or a white granular powder,
free from visible contamination with
clay, grit and other extraneous
adulterants and impurities. Care is
taken by principle company during
manufacture, by modifying its
crystalline nature, to see that it does
not cake hard during storage.