... Types of Our ProductsIndirect Method / French Process: Zinc Oxide 99.5%, 99.7%Direct Method / American Process: Zinc Oxide 90%, 92%, 93%, 95%, 96%, 97%, 98 ... Noncrystal PowderTechnical IndexesFrench ProcessAmerica ProcessZinc Oxide (by dry product)≥99.8%99.7%99.7%99.7%99.5%98%95%Lead Oxide (PbO) % ≤0.0020.0020.020 ...