... indirect-method ZnO is produced by an oxidation method and a calcination method. It is white powder stable at ... radial tires, diagonal tires, automobile capsules, hoses, tape, gloves and other rubber products; paint, medicine, cables, electronics, coinage, enamel ... laser materials, etc.Packing: Polypropylene woven bags or kraft paper bags lined with plastic film bags, 25 kg in net weight each ...