... price Mineral salt/industrial salt 99.6%min1.UsageIndustrial salt/rock salt can be used in cell ,oil refining,electroplate,ore ... ,tanning,pharmaceutical industried,etc.2.Test Report 1.) ITEMPVD SALT/Rock salt 99.6%minHIGH PURITY SALT Sodium chloride≥ 99.6 ... standard test sieveNo visible impurities3. SuperiorityThe content of Industrial salt/rock salt can reach to 99.9%,customers from Japan,Australia ...