Semi-conductors Industry-Silicon Purifying

HF and NH4F are useful chemicals for many steps producing and purfying single crystal Silicon rods and then wafers.  Products Ammonium Fluoride, 40 %, 10 ppb Grade (S) Ammonium Fluoride, 40 %, 10 ppb Grade (S) Hydrofluoric Acid, 49 %, 1 ppb Grade (S) Hydrofluoric Acid, 49 %, 1 ppb Grade (S) Hydrofluoric Acid, 49%, 10 ppb Grade (S) Hydrofluoric Acid, 49%, 10 ppb Grade (S)   Back