... etc low heavy metals. Zinc oxide indirect method ,zinc oxide direct methody ,zinc oxide france process,zinc oxide america process ,zinc ... ammonium chloride solution. indirect zinc oxide: zn,pb,mn,cuO, direct zinc oxide: pb,cdO,cuO,mn,zn. uses: Accelerator activator ... salts .and other chemical industry application etc. packing: woven bags lined with plastic bag.25kg net each. zinc oxide indirect and ...