Zinc Oxide (ZnO) nano powder (~30 nm) Other Names: Zinc Oxide (ZnO) nanopowder. Nano Zinc Oxide (ZnO) powder. Formula. ZnO. Specification. 99.7+%; average particle size ~30 nm (TEM & BET), BET multi-point specific surface area (SSA) ~35 m 2 /g . Quantity & Price. 100 g $ 50.00. 250 g ...