Potassium fluoride,anhydrous
           Potassium fluoride,extra pure
           Potassium fluoride,Granular
           Silicon Dioxide
           Hydrofluoric acid
           Synthetic Cryolite
           Potassium Fluoaluminate
           Ammonium bifluoride
           Potassium Bifluoride
           Aluminium fluoride
           Sodium fluoride
           Potassium Fluorosilicate
           Fluorosilicic Acid
           Sodium silicofluoride
           Potassium Hydroxide Flakes
           Magnesium Fluoride
           Magnesium fluorosilicate
           Barium Fluoride
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The original industry standard fluoride content of first-class goods is not less than 98.0%, qualified products for not less than 96.0%. Lithchem International company indicators for not less than 99.0%, the standard fluoride content of enterprises in the 99.5% to 96.0%. As the quality of potassium fluoride products in recent years has improved, so this amendment to determine the excellent product is not less than 99.0%, first grade is not less than 98.0%, qualified products is not less than 96.0%. The level of indicators than the original industry standards have improved.