Packaging & Delivery Packaging Detail: 500g for bottle packing, 40kg for pail packing, 25kg for paper plastic packing Delivery Detail: within 15days after confirm the order Specifications 1.Ammonium Fluoride  2.High quality  3More resonable price  4Delivery in fast speed  5.Free salmple and have China certification Ammonium Fluoride     Name Analytically pure (%) Content(NH4F) ≥96.0 Clarity test qualified Ignition residue(Sulfate) ≤0.02 Free acid(NH4HF2) ≤0.5 Free alkali qualified Chloride(Cl) ≤0.005 Sulfate(SO4) ≤0.01 Fluosilicate (SiF6) ≤0.30 Ferrum(Fe) ≤0.002 Heavy metal(Pb) ≤0.001